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{{Historyshort description|Era of European artclassical music (c. 1730–1820)}}
{{Use dmy dates|date=August 2021}}
[[File:Mozart family crop.jpg|thumb|right|upright=0.9|[[Wolfgang Amadeus Mozart]], a representative composer of the Classical period, seated at a keyboard.]]
{{History of Western art music}}
 
The '''Classical period''' was an era of [[classical music]] between roughly 1750 and 1820.<ref>{{cite book|last1=Burton|first1=Anthony|title=A Performer's Guide to the Music of the Classical Period|date=2002|publisher=Associated Board of the Royal Schools of Music|___location=London|isbn=978-1-86096-1939|page=3}}</ref>
 
The classical period falls between the [[Baroque music|Baroque]] and [[Romantic music|Romantic]] periods. It is mainly [[Homophony|homophonic]], using a clear [[melody]] line over a subordinate chordal [[accompaniment]],<ref name=Blume>[[Friedrich Blume|Blume, Friedrich]]. ''Classic and Romantic Music: A Comprehensive Survey''. New York: W. W. Norton, 1970</ref> but [[counterpoint]] was by no means forgotten, especially in [[liturgical]] vocal music and, later in the period, secular instrumental music. It also makes use of ''[[Galant music|style galant]]'' which emphasizes light elegance in place of the Baroque's dignified seriousness and impressive grandeur. Variety and contrast within a piece became more pronounced than before, and the [[orchestra]] increased in size, range, and power.
 
The [[harpsichord]] declined as the main keyboard instrument and superseded by the [[piano]] (or [[fortepiano]]). Unlike the harpsichord, which plucks strings with quills, pianos strike the strings with leather-covered hammers when the keys are pressed, which enables the performer to play louder or softer (hence the original name "fortepiano," literally "loud soft") and play with more expression; in contrast, the force with which a performer plays the harpsichord keys does not change the sound. Instrumental music was considered important by Classical period composers. The main kinds of instrumental music were the [[sonata]], [[Trio (music)|trio]], [[string quartet]], [[quintet]], [[symphony]] (performed by an orchestra), and the solo [[concerto]], which featured a virtuoso solo performer playing a solo work for violin, piano, flute, or another instrument, accompanied by an orchestra. Vocal music, such as [[art song|songs for a singer and piano]] (notably the work of Schubert), [[Choir|choral works]], and [[opera]] (a staged dramatic work for singers and orchestra), was also important during this period.
 
The best-known composers from this period are [[Joseph Haydn]], [[Wolfgang Amadeus Mozart]], [[Ludwig van Beethoven]], and [[Franz Schubert]]; other names in this period include: [[Carl Philipp Emanuel Bach]], [[Johann Christian Bach]], [[Luigi Boccherini]], [[Domenico Cimarosa]], [[Joseph Martin Kraus]], [[Muzio Clementi]], [[Christoph Willibald Gluck]], [[Carl Ditters von Dittersdorf]], [[André Grétry]], [[Pierre-Alexandre Monsigny]], [[Leopold Mozart]], [[Michael Haydn]], [[Giovanni Paisiello]], [[Johann Baptist Wanhal]], [[François-André Danican Philidor]], [[Niccolò Piccinni]], [[Antonio Salieri]], [[Etienne Nicolas Mehul]], [[Georg Christoph Wagenseil]], [[Johann Simon Mayr]], [[Georg Matthias Monn]], [[Johann Gottlieb Graun]], [[Carl Heinrich Graun]], [[Franz Benda]], [[Georg Anton Benda]], [[Johann Georg Albrechtsberger]], [[Mauro Giuliani]], [[Christian Cannabich]] and the [[Chevalier de Saint-Georges]]. Beethoven is regarded either as a Romantic composer or a Classical period composer who was part of the transition to the Romantic era. Schubert is also a transitional figure, as were [[Johann Nepomuk Hummel]], [[Luigi Cherubini]], [[Gaspare Spontini]], [[Gioachino Rossini]], [[Carl Maria von Weber]], [[Jan Ladislav Dussek]] and [[Niccolò Paganini]]. The period is sometimes referred to as the era of ''[[First Viennese School|Viennese Classicism]]'' ({{langx|de|Wiener Klassik|link=no}}), since Gluck, Haydn, Salieri, Mozart, Beethoven, and Schubert all worked in [[Vienna]].
 
== Classicism ==
{{More citations needed section|date=May 2024}}
{{Classicism}}
In the middle of the 18th century, Europe began to move toward a new style in [[architecture]], literature, and the arts, generally known as [[Neoclassicism]].<ref>{{Cite web |last=Kuznetsova |first=Natalia |title=Overview of the Classical Era of Music |url=https://courses.lumenlearning.com/suny-musicappreciationtheory/chapter/overview-of-the-classical-era/ |website=SUNY ORE SERVICE}}</ref> This style sought to emulate the ideals of [[Classical antiquity]], especially those of [[Classical Greece]].<ref name="Kamien">[[Roger Kamien|Kamien, Roger]]. ''Music: An Appreciation''. 6th. New York: McGraw Hill, 2008. Print.</ref> Classical music used formality and emphasis on order and hierarchy and a "clearer", "cleaner" style that used divisions between parts (notably a clear, single melody accompanied by chords), brighter contrasts, and "timbre" (achieved by the use of dynamic changes and [[modulation (music)|modulations]] to more keys). In contrast with the richly layered music of the Baroque era, Classical music moved towards simplicity rather than complexity. In addition, the typical size of orchestras began to increase,<ref name="Kamien"/> giving orchestras a more powerful sound.
 
The remarkable development of ideas in "[[natural philosophy]]" had already established itself in the public consciousness. In particular, [[Isaac Newton|Newton's]] [[classical physics|physics]] was taken as a paradigm: structures should be well-founded in [[axiom]]s and be both well-articulated and orderly. This taste for structural clarity began to affect music, which moved away from the layered [[polyphony]] of the Baroque period toward a style known as [[homophony]], in which the [[melody]] is played over a subordinate [[harmony]].<ref name="Kamien"/> This move meant that [[Chord (music)|chords]] became a much more prevalent feature of music, even if they interrupted the melodic smoothness of a single part. As a result, the [[tonality|tonal]] structure of a piece of music became [[counterpoint|more audible]].
The '''Classical period''' in [[Western world|Western]] [[music]] occurred from about 1730 through 1820, despite considerable overlap at both ends with preceding and following periods, as is true for all musical eras. Although the term ''[[European classical music|classical music]]'' is used as a blanket term meaning ''all'' kinds of music in this tradition, it can also occasionally mean this particular era within that tradition.
 
The new style was also encouraged by changes in the economic order and social structure. As the 18th century progressed well, the nobility became the primary patrons of instrumental music, while public taste increasingly preferred lighter, funny [[comic opera]]s. This led to changes in the way music was performed, the most crucial of which was the move to standard instrumental groups and the reduction in the importance of the ''[[basso continuo|continuo]]''—the rhythmic and harmonic groundwork of a piece of music, typically played by a keyboard ([[harpsichord]] or [[organ (music)|organ]]) and usually accompanied by a varied group of bass instruments, including [[cello]], [[double bass]], [[bass viol]], and [[theorbo]]. One way to trace the decline of the continuo and its [[figured bass|figured]] chords is to examine the disappearance of the term ''[[obbligato]]'', meaning a mandatory instrumental part in a work of [[chamber music]]. In Baroque compositions, additional instruments could be added to the continuo group according to the group or leader's preference; in Classical compositions, all parts were specifically noted, though not always ''notated'', so the term "obbligato" became redundant. By 1800, basso continuo was practically extinct, except for the occasional use of a [[pipe organ]] continuo part in a religious [[Mass (music)|Mass]] in the early 1800s.
The Classical period falls between the [[Baroque music|Baroque]] and the [[Romantic period in music|Romantic]] periods. Among its [[composers]] were [[Muzio Clementi]], [[Johann Ladislaus Dussek]] and [[Carl Philipp Emanuel Bach]], though probably the best known composers from this period are [[Joseph Haydn]], [[Wolfgang Amadeus Mozart]] and [[Ludwig van Beethoven]] (as they all worked in [[Vienna, Austria]], this period is often referred to as "Viennese Classic"). Beethoven is also listed as either a Romantic composer, or a composer who was part of the transition to the Romantic.
 
Economic changes also had the effect of altering the balance of availability and quality of musicians. While in the late Baroque, a major composer would have the entire musical resources of a town to draw on, the musical forces available at an aristocratic hunting lodge or small court were smaller and more fixed in their level of ability. This was a spur to having simpler parts for ensemble musicians to play, and in the case of a resident virtuoso group, a spur to writing spectacular, idiomatic parts for certain instruments, as in the case of the [[Mannheim orchestra]], or virtuoso solo parts for particularly skilled violinists or flutists. In addition, the appetite by audiences for a continual supply of new music carried over from the Baroque. This meant that works had to be performable with, at best, one or two rehearsals. Even after 1790, Mozart writes about "the rehearsal," with the implication that his concerts would have only one rehearsal.
== History of the Classical period ==
=== The Classical style as part of a larger artistic change ===
In the middle of the [[18th century]], Europe began to move to a new style in [[architecture]], literature, and the arts generally, known as [[Classicism]]. While still tightly linked to the court culture and absolutism, with its formality and emphasis on order and hierarchy, the new style was also a cleaner style, one that favored clearer divisions between parts, brighter contrasts and colors, and simplicity rather than complexity. The remarkable development of ideas in "natural philosophy" had established itself in the public consciousness, with [[Isaac Newton|Newton's]] physics taken as a paradigm: structures should be well-founded in axioms, and articulated and orderly. This taste for structural clarity worked its way into the world of music as well, moving away from the layered [[polyphony]] of the [[Baroque music|Baroque]] period, and towards a style where a melody over a subordinate harmony &ndash; a combination called [[homophony]] &ndash; was preferred. This meant that playing of chords, even if they interrupted the melodic smoothness of a single part, became a much more prevalent feature of music, and this in turn made the [[tonality|tonal]] structure of works more audible. (See also [[counterpoint]] and [[harmony]].)
 
Since there was a greater emphasis on a single melodic line, there was greater emphasis on notating that line for [[Dynamics (music)|dynamics]] and phrasing. This contrasts with the Baroque era, when melodies were typically written with no dynamics, phrasing marks, ornaments, as it was assumed that the performer would improvise these elements on the spot. In the Classical era, it became more common for composers to indicate where they wanted performers to play ornaments such as trills or turns. The simplification of texture made such instrumental detail more important, and alit so made the use of characteristic rhythms, such as attention-getting opening fanfares, the funeral march rhythm, or the minuet genre, more important in establishing and unifying the tone of a single movement.
The new style was also pushed forward by changes in the economic order and in social structure. As the 18th century progressed, the nobility more and more became the primary patrons of instrumental music, and there was a rise in the public taste for comic [[opera]]. This led to changes in the way music was performed, the most crucial of which was the move to standard instrumental groups, and the reduction in the importance of the "[[basso continuo|continuo]]", the harmonic fill beneath the music, often played by several instruments. One way to trace this decline of the continuo and its [[figured bass|figured]] chords is to examine the decline of the term "[[obbligato]]", meaning a mandatory instrumental part in a work of [[chamber music]]. In the Baroque world, additional instruments could be optionally added to the continuo; in the Classical world, all parts were noted specifically, though not always ''notated'', as a matter of course, so the word "obbligato" became redundant. By 1800, the term was virtually extinct, as was the practice of conducting a work from the keyboard.
 
The Classical period also saw the gradual development of [[sonata form]], a set of structural principles for music that reconciled the Classical preference for melodic material with harmonic development, which could be applied across musical genres.<ref>{{Cite book |last=White |first=John David |title=The analysis of music |date=1976 |publisher=Prentice-Hall |isbn=978-0-13-033233-2 |___location=Englewood Cliffs, N.J}}</ref> The [[sonata]] itself continued to be the principal form for solo and chamber music, while later in the Classical period, the [[string quartet]] became a prominent genre. The [[symphony]] form for orchestra was created in this period (this is popularly attributed to [[Joseph Haydn]]). The ''concerto grosso'' (a concerto for more than one musician), a very popular form in the Baroque era, began to be replaced by the ''solo concerto'', featuring only one soloist. Composers began to place more importance on the particular soloist's ability to show off virtuoso skills, with challenging, fast scale and arpeggio runs. Nonetheless, some ''concerti grossi'' remained, the most famous of which was Mozart's [[Sinfonia Concertante for Violin, Viola and Orchestra (Mozart)|Sinfonia Concertante for Violin and Viola in E-flat major]].
The changes in economic situation just noted also had the effect of altering the balance of availability and quality of musicians. While in the late Baroque a major composer would have the entire musical resources of a town to draw on, the forces available at a hunting lodge were smaller, and more fixed in their level of ability. This was a spur to having primarily simple parts to play, and in the case of a resident virtuoso group, a spur to writing spectacular, idiomatic parts for certain instruments, as in the case of the [[Mannheim]] orchestra. In addition, the appetite for a continual supply of new music, carried over from the Baroque, meant that works had to be performable with, at best, one rehearsal. Indeed, even after 1790 Mozart writes about "the rehearsal", to imply that his concerts would have only one.
 
[[File:Tokyo String Quartet.jpg|right|thumb|300px|A modern string quartet. In the 2000s, [[string quartet]]s from the Classical era are the core of the chamber music literature. From left to right: violin 1, violin 2, cello, viola]]
Since polyphonic texture was no longer the focus of music, but rather a single melodic line with accompaniment, there was greater emphasis on notating that line for [[dynamics (music)|dynamics]] and phrasing. The simplification of texture made such instrumental detail more important, and also made the use of characteristic rhythms, such as attention-getting opening fanfares, the funeral march rhythm, or the minuet genre, more important in establishing and unifying the tone of a single movement.
 
== Main characteristics ==
This led to the Classical style's gradual breaking with the Baroque habit of making each movement of music devoted to a single "[[affect]]" or emotion. Instead, it became the style to establish contrasts between sections within movements, giving each its own emotional coloring, using a range of techniques: opposition of major and minor; strident rhythmic themes in opposition to longer, more song-like themes; and especially, making movement between different harmonic areas the principal means of creating dramatic contrast and unity. Transitional episodes became more and more important, as occasions of surprise and delight. Consequently composers and musicians began to pay more attention to these, highlighting their arrival, and making the signs that pointed to them, on one hand, more audible, and on the other hand, more the subject of "play" and subversion &ndash; that is, composers more and more created false expectations, only to have the music skitter off in a different direction.
{{More citations needed|section|date=November 2021}}
In the classical period, the [[subject (music)|theme]] consists of [[phrase (music theory)|phrase]]s with contrasting melodic figures and [[rhythm]]s. These phrases are relatively brief, typically four bars in length, and can occasionally seem sparse or terse. The texture is mainly [[Homophony|homophonic]],<ref name=Blume /> with a clear melody above a subordinate chordal [[accompaniment]], for instance an [[Alberti bass]]. This contrasts with the practice in [[Baroque music]], where a piece or movement would typically have only one musical subject, which would then be worked out in a number of voices according to the principles of [[counterpoint]], while maintaining a consistent rhythm or metre throughout. As a result, Classical music tends to have a lighter, clearer texture than the Baroque. The classical style draws on the ''[[Galant music|style galant]]'', a musical style which emphasized light elegance in place of the Baroque's dignified seriousness and impressive grandeur.
 
Structurally, Classical music generally has a clear [[musical form]], with a well-defined contrast between [[tonic (music)|tonic]] and [[dominant (music)|dominant]]{{citation needed|date=November 2022}}, introduced by clear [[Cadence (music)|cadences]]. [[dynamics (music)|Dynamics]] are used to highlight the structural characteristics of the piece. In particular, [[sonata form]] and its variants were developed during the early classical period and was frequently used. The Classical approach to structure again contrasts with the Baroque, where a composition would normally move between tonic and dominant and back again,{{citation needed|date=November 2022}} but through a continual progress of chord changes and without a sense of "arrival" at the new key. While counterpoint was less emphasised in the classical period, it was by no means forgotten, especially later in the period, and composers still used counterpoint in "serious" works such as symphonies and string quartets, as well as religious pieces, such as Masses.
===Beginnings of the Classical style (1730-1760)===
At first the new style took over Baroque forms &ndash; the ternary "[[da capo aria|da capo aria]]" and the "[[sinfonia]]" and "[[concerto]]" &ndash; and composed with simpler parts, more notated ornamentation and more emphatic division into sections. However, over time, the new aesthetic caused radical changes in how pieces were put together, and the basic layouts changed. (See [[History of sonata form]].) Composers from this period sought dramatic effects, striking melodies, and clearer textures. One important break with the past was the radical overhaul of opera by [[Christoph Willibald Gluck]], who cut away a great deal of the layering and improvisational ornament, and focused on the points of [[Modulation (music)|modulation]] and transition. By making these moments where the harmony changes more focal, he enabled powerful dramatic shifts in the emotional color of the music. To highlight these episodes he used changes in instrumentation, melody, and [[mode]]. Among the most successful composers of his time, [[Gluck]] spawned many emulators, one of whom was [[Antonio Salieri]]. Their emphasis on accessibility was hugely successful in opera, and in vocal music more widely: songs, oratorios, and choruses. These were considered the most important kinds of music for performance, and hence enjoyed greatest success in the public estimation.
 
The classical musical style was supported by technical developments in instruments. The widespread adoption of [[equal temperament]] made classical musical structure possible, by ensuring that cadences in all keys sounded similar. The [[fortepiano]] and then the [[pianoforte]] replaced the [[harpsichord]], enabling more dynamic contrast and more sustained melodies. Over the Classical period, keyboard instruments became richer, more sonorous and more powerful.
The phase between the Baroque and the rise of the Classical, with its broad mixture of competing ideas and attempts to unify the different demands of taste, economics and "worldview", goes by many names. It is sometimes called "[[Galant]]", "[[Rococo]]", or "pre-Classical", or at other times, "early Classical". It is a period where composers still working in the Baroque style are still successful, if sometimes thought of as being more of the past than the present &ndash; Bach, Handel and Telemann all compose well beyond the point at which the homophonic style is clearly in the ascendant. Musical culture was caught at a crossroads: the masters of the older style had the technique, but the public hungered for the new. This is one of the reasons C.P.E. Bach was held in such high regard: he understood the older forms quite well, and knew how to present them in new garb, with an enhanced variety of form; he went far in overhauling the older forms from the Baroque.
 
The orchestra increased in size and range, and became more standardised. The [[harpsichord]] or [[pipe organ]] [[basso continuo]] role in orchestra fell out of use between 1750 and 1775, leaving the string section. [[Woodwind]]s became a self-contained section, consisting of [[clarinet]]s, [[oboe]]s, [[flute]]s and [[bassoon]]s.
===The early Classical style (1760-1775)===
By the late 1750s there are flourishing centers of the new style in Italy, Vienna, Mannheim, and Paris; dozens of symphonies are composed, and there are "bands" of players associated with theatres. Opera or other vocal music is the feature of most musical events, with concerti and "symphonies", which would over the course of the Classical develop and become independent instrumental works (see [[symphony]]), serving as instrumental interludes and introductions, for operas, and for even church services. The norms of a body of strings supplemented by winds, and of movements of particular rhythmic character, are established by the late 1750s in Vienna. But the length and weight of pieces is still set with some Baroque characteristics: individual movements still focus on one ''affect'' or have only one sharply contrasting middle section, and their length is not significantly greater than Baroque movements. It should also be noted that at this time there is not yet a clearly enunciated theory of how to compose in the new style. It was a moment ripe for a breakthrough.
 
While vocal music such as [[comic opera]] was popular, great importance was given to instrumental music. The main kinds of instrumental music were the [[sonata]], [[Trio (music)|trio]], [[string quartet]], [[quintet]], [[symphony]], [[concerto]] (usually for a virtuoso solo instrument accompanied by orchestra), and light pieces such as [[serenade]]s and [[divertimento]]s. [[Sonata form]] developed and became the most important form. It was used to build up the first movement of most large-scale works in [[symphony|symphonies]] and [[string quartet]]s. Sonata form was also used in other movements and in single, standalone pieces such as [[overture]]s.
Many consider this breakthrough to have been made by C.P.E. Bach, Gluck, and several others. Indeed, C.P.E. Bach and Gluck are often considered to be founders of the Classical style itself.
 
== History ==
The first great master of the style was the composer [[Joseph Haydn]]. In the late 1750s he began composing symphonies, and by 1761 he had composed a triptych ("Morning", "Noon", and "Evening") solidly in the "contemporary" mode. As a "vice-Kapellmeister" and later "Kapellmeister", his output expanded: he would compose over forty symphonies in the 1760s alone. And while his fame grew, as his orchestra was expanded and his compositions were copied and disseminated, his voice was only one among many.
=== Baroque/Classical transition c. 1750–1760 ===
{{See also|History of sonata form}}
[[File:Joseph Siffred Duplessis - Christoph Willibald Gluck - Google Art Project.jpg|thumb|[[Christoph Willibald Gluck|
Gluck]], detail of a portrait by [[Joseph Duplessis]], dated 1775 ([[Kunsthistorisches Museum]], Vienna)]]
 
In his book ''[[The Classical Style]]'', author and pianist [[Charles Rosen]] claims that from 1755 to 1775, composers groped for a new style that was more effectively dramatic. In the High Baroque period, dramatic expression was limited to the representation of individual ''affects'' (the "doctrine of affections", or what Rosen terms "dramatic sentiment"). For example, in Handel's oratorio ''[[Jephtha (Handel)|Jephtha]]'', the composer renders four emotions separately, one for each character, in the quartet "O, spare your daughter". Eventually this depiction of individual emotions came to be seen as simplistic and unrealistic; composers sought to portray multiple emotions, simultaneously or progressively, within a single character or movement ("dramatic action"). Thus in the finale of act 2 of Mozart's ''[[Die Entführung aus dem Serail]]'', the lovers move "from joy through suspicion and outrage to final reconciliation."<ref name=Rosen>[[Charles Rosen|Rosen, Charles]]. ''[[The Classical Style]],'' pp. 43–44. New York: W. W. Norton & Company, 1998</ref>
While some suggest that he was overshadowed by Mozart and Beethoven, it would be difficult to overstate Haydn's centrality to the new style, and therefore to the future of Western art music as a whole. At the time, before the pre-eminence of Mozart or Beethoven, and with [[Johann Sebastian Bach]] known primarily to connoisseurs of keyboard music, Haydn reached a place in music that set him above all other composers except perhaps [[George Friedrich Handel]]. Some have pointed out that he occupied a place equivalent to the Beatles, for example, in the history of Rock and Roll. It was he who, more than any other single individual, realized that the evolving new style needed to be directed by new ideas and principles. He took existing ideas, and radically altered how they functioned &ndash; earning him the titles "father of the [[symphony]]" and "father of the [[string quartet]]". One might truly say that he was the father of the [[sonata form]] &ndash; which, in its Classical flowering, relied on dramatic contrast, tension of melody against harmony and rhythm, and required the audience to follow a dramatic curve over a larger span of time than was previously necessary.
 
Musically speaking, this "dramatic action" required more musical variety. Whereas Baroque music was characterized by seamless flow within individual movements and largely uniform textures, composers after the High Baroque sought to interrupt this flow with abrupt changes in texture, dynamic, harmony, or tempo. Among the stylistic developments which followed the High Baroque, the most dramatic came to be called ''[[Empfindsamer Stil|Empfindsamkeit]]'', (roughly "[[sensitive style]]"), and its best-known practitioner was [[Carl Philipp Emanuel Bach]]. Composers of this style employed the above-discussed interruptions in the most abrupt manner, and the music can sound illogical at times. The Italian composer [[Domenico Scarlatti]] took these developments further. His more than five hundred single-movement keyboard sonatas also contain abrupt changes of texture, but these changes are organized into periods, balanced phrases that became a hallmark of the classical style. However, Scarlatti's changes in texture still sound sudden and unprepared. The outstanding achievement of the great classical composers (Haydn, Mozart and Beethoven) was their ability to make these dramatic surprises sound logically motivated, so that "the expressive and the elegant could join hands."<ref name=Rosen />
Strangely enough, one of the forces that worked as an impetus for his pressing forward was the first stirring of what would later be called "[[Romanticism]]" &ndash; the "[[Sturm und Drang]]", or "storm and stress" phase in the arts, a short period where obvious emotionalism was a stylistic preference: the fad of the 1770s. Haydn accordingly wanted more dramatic contrast and more emotionally appealing melodies, with sharpened character and individuality. This period faded away in music and literature: however, it would color what came afterward, and eventually be a component of aesthetic taste in coming decades.
 
Between the death of J. S. Bach and the maturity of Haydn and Mozart (roughly 1750–1770), composers experimented with these new ideas, which can be seen in the music of Bach's sons. Johann Christian developed a style which we now call ''Roccoco'', comprising simpler textures and harmonies, and which was "charming, undramatic, and a little empty." As mentioned previously, Carl Philipp Emmanuel sought to increase drama, and his music was "violent, expressive, brilliant, continuously surprising, and often incoherent." And finally Wilhelm Friedemann, J.S. Bach's eldest son, extended Baroque traditions in an idiomatic, unconventional way.<ref name=Rosen/>
The [[Symphony No. 45 (Haydn)|"Farewell" Symphony]], No. 45 in F# Minor, exemplifies Haydn's integration of the differing demands of the new style, with surprising sharp turns, and a long adagio to end the work. In 1772, Haydn completed his Opus 20 set of six string quartets, in which he deploys the polyphonic techniques he gathered from the previous era to provide structural coherence capable of holding together his melodic ideas. For some this marks the beginning of the "mature" Classical style, where the period of reaction against the complexity of the late Baroque begins to be replaced with a period of integration of elements of both Baroque and Classical styles.
 
At first the new style took over Baroque forms—the ternary ''[[da capo aria]]'', the ''[[sinfonia]]'' and the ''[[concerto]]''—but composed with simpler parts, more notated ornamentation, rather than the improvised ornaments that were common in the Baroque era, and more emphatic division of pieces into sections. However, over time, the new aesthetic caused radical changes in how pieces were put together, and the basic formal layouts changed. Composers from this period sought dramatic effects, striking melodies, and clearer textures. One of the big textural changes was a shift away from the complex, dense [[polyphony|polyphonic]] style of the Baroque, in which multiple interweaving melodic lines were played simultaneously, and towards [[homophony]], a lighter texture which uses a clear single melody line accompanied by chords.
===The middle Classical style (1775-1790)===
Haydn, having worked for over a decade as the music director for a prince, had far more resources and scope for composing than most, and also the ability to shape the forces that would play his music. This opportunity was not wasted, as Haydn, beginning quite early on his career, restlessly sought to press forward the technique of building ideas in music (see [[Musical development|development]]). His next important breakthrough was in the Opus 33 string quartets (1781), where the melodic and the harmonic roles segue among the instruments: it is often momentarily unclear what is melody and what is harmony. This changes way the ensemble works its way between dramatic moments of transition and climactic sections: the music flows smoothly and without obvious interruption. He then took this integrated style and began applying it to orchestral and vocal music.
 
Baroque music generally uses many harmonic fantasies and polyphonic sections that focus less on the structure of the musical piece, and there was less emphasis on clear musical phrases. In the classical period, the harmonies became simpler. However, the structure of the piece, the phrases and small melodic or rhythmic motives, became much more important than in the Baroque period.
Haydn's gift to music was a way of composing, a way of structuring works, which was at the same time in accord with the governing aesthetic of the new style. It would, however, be a younger contemporary, [[Wolfgang Amadeus Mozart]], who would bring his genius to Haydn's ideas, and apply them to two of the major genres of the day: opera, and the virtuoso concerto. Whereas Haydn spent much of his working life as a court composer, Mozart wanted public success in the concert life of cities. This meant opera, and it meant performing as a virtuoso. Haydn was not a virtuoso at the international touring level; nor was he seeking to create operatic works that could play for many nights in front of a large audience. Mozart wanted both. Moreover, Mozart also had a taste for more chromatic chords (and greater contrasts in harmonic language generally), a greater love for creating a welter of melodies in a single work, and a more Italianate sensibility in music as a whole. He found, in Haydn's music, and later in his study of the polyphony of Bach, the means to discipline and enrich his gifts.
[[File:Muzio Clementi - sonata in g minor no.3, op 50, 'didone abbandonata' - ii. adagio dolente.ogg|thumb|left|200px|[[Muzio Clementi]]'s Sonata in G minor, No.&nbsp;3, Op.&nbsp;50, "Didone abbandonata", adagio movement]]
Another important break with the past was the radical overhaul of [[opera]] by [[Christoph Willibald Gluck]], who cut away a great deal of the layering and improvisational ornaments and focused on the points of [[Modulation (music)|modulation]] and transition. By making these moments where the harmony changes more of a focus, he enabled powerful dramatic shifts in the emotional color of the music. To highlight these transitions, he used changes in instrumentation ([[orchestration]]), melody, and [[Musical mode|mode]]. Among the most successful composers of his time, Gluck spawned many emulators, including [[Antonio Salieri]]. Their emphasis on accessibility brought huge successes in opera, and in other vocal music such as songs, oratorios, and choruses. These were considered the most important kinds of music for performance and hence enjoyed greatest public success.
 
The phase between the Baroque and the rise of the Classical (around 1730), was home to various competing musical styles. The diversity of artistic paths are represented in the sons of [[Johann Sebastian Bach]]: [[Wilhelm Friedemann Bach]], who continued the Baroque tradition in a personal way; [[Johann Christian Bach]], who simplified textures of the Baroque and most clearly influenced Mozart; and [[Carl Philipp Emanuel Bach]], who composed passionate and sometimes violently eccentric music of the ''Empfindsamkeit'' movement. Musical culture was caught at a crossroads: the masters of the older style had the technique, but the public hungered for the new. This is one of the reasons C. P. E. Bach was held in such high regard: he understood the older forms quite well and knew how to present them in new garb, with an enhanced variety of form.
Mozart rapidly came to the attention of Haydn, who hailed the new composer, studied his works, and considered the younger man his only true peer in music. Their letters to each other are filled with the kind of asides that only two people working at a higher plane than their contemporaries can share. In Mozart, Haydn found a greater range of instrumentation, dramatic effect and melodic resource &ndash; the learning relationship moved in two directions.
 
=== 1750–1775 ===
Mozart's arrival in Vienna in 1780 brought an acceleration in the development of the Classical style. There Mozart absorbed the fusion of Italianate brilliance and Germanic cohesiveness which had been brewing for the previous 20 years. His own taste for brilliances, rhythmically complex melodies and figures, long cantilena melodies, and virtuoso flourishes was merged with an appreciation for formal coherence and internal connectedness. Strangely enough, it is at this point that war and inflation halted a trend to larger and larger orchestras and forced the disbanding or reduction of many theatre orchestras. This pressed the Classical style inwards: towards seeking greater ensemble and technical challenge &ndash; for example, scattering the melody across woodwinds, or using thirds to highlight the melody taken by them. This process placed a premium on chamber music for more public performance, giving a further boost to the string quartet and other small ensemble groupings.
{{unreferenced section|date=February 2021}}
{{See also|Symphony}}
[[File:Haydn portrait by Thomas Hardy (small).jpg|thumb|left|Haydn portrait by [[Thomas Hardy (English painter)|Thomas Hardy]], 1792]]
 
By the late 1750s there were flourishing centers of the new style in Italy, Vienna, Mannheim, and Paris; dozens of symphonies were composed and there were bands of players associated with musical theatres. Opera or other vocal music accompanied by orchestra was the feature of most musical events, with concertos and symphonies (arising from the [[overture]]) serving as instrumental interludes and introductions for operas and church services. Over the course of the Classical period, symphonies and concertos developed and were presented independently of vocal music.
It was during this decade that public taste began, increasingly, to recognize that Haydn and Mozart had reached a higher standard of composition. By the time Mozart arrived at age 25, in [[1781]], the dominant styles of Vienna were recognizably connected to the emergence in the 1750s of the early Classical style. By the end of the 1780s, changes in performance practice, the relative standing of instrumental and vocal music, technical demands on musicians, and stylistic unity had become established in the composers who imitated Mozart and Haydn. During this decade Mozart would compose his most famous operas, his six late symphonies which would help redefine the genre, and a string of piano concerti which still stand at the pinnacle of these forms.
[[File:Divertimento in E-flat major - KV 113 - 2nd movement.oga|thumb|right|200px|Mozart wrote a number of divertimentos, light instrumental pieces designed for entertainment. This is the 2nd movement of his Divertimento in E-flat major, K. 113.]]
The "normal" orchestra ensemble—a body of [[String section|strings]] supplemented by winds—and movements of particular rhythmic character were established by the late 1750s in Vienna. However, the length and weight of pieces was still set with some Baroque characteristics: individual movements still focused on one "affect" (musical mood) or had only one sharply contrasting middle section, and their length was not significantly greater than Baroque movements. There was not yet a clearly enunciated theory of how to compose in the new style. It was a moment ripe for a breakthrough.
 
The first great master of the style was the composer [[Joseph Haydn]]. In the late 1750s he began composing symphonies, and by 1761 he had composed a triptych (''[[Symphony No. 6 (Haydn)|Morning]]'', ''[[Symphony No. 7 (Haydn)|Noon]]'', and ''[[Symphony No. 8 (Haydn)|Evening]]'') solidly in the contemporary mode. As a vice-[[Kapellmeister]] and later Kapellmeister, his output expanded: he composed over forty symphonies in the 1760s alone. And while his fame grew, as his orchestra was expanded and his compositions were copied and disseminated, his voice was only one among many.
One composer who was influential in spreading the more serious style that Mozart and Haydn had formed is [[Muzio Clementi]], a gifted virtuoso pianist who dueled Mozart to a draw before the Emperor, when they exhibited their compositions in performance. His own sonatas for the piano circulated widely, and he became the most successful composer in [[London]] during the 1780s. The stage was set for a generation of composers who, having absorbed the lessons of the new style earlier, and having clear examples to aim at, would take the Classical style in new directions. Also in London at this time was [[Johann Ladislaus Dussek]], who, like Clementi, encouraged piano makers to extend the range and other features of their instruments, and then fully exploited the newly opened possibilities. The importance of London in the Classical period is often overlooked &ndash; but it served as the home to the [[Broadwood and Sons|Broadwood's]] factory for piano manufacturing, and as the base for composers who, while less famous than the "Vienna School", would have a decisive influence on what came later. They were composers of a number of fine works, notable in their own right. London's taste for virtuosity may well have encouraged the complex passage work and extended statements on tonic and dominant.
 
While some scholars suggest that Haydn was later overshadowed by Mozart and Beethoven, it would be difficult to overstate Haydn's centrality to the new style, and therefore to the future of Western art music as a whole. At the time, before the pre-eminence of Mozart or Beethoven, and with Johann Sebastian Bach known primarily to connoisseurs of keyboard music, Haydn reached a place in music that set him above all other composers except perhaps the Baroque era's [[George Frideric Handel]]. Haydn took existing ideas, and radically altered how they functioned—earning him the titles "father of the [[symphony]]" and "father of the [[string quartet]]".
===The late Classical style (1790-1825)===
When Haydn and Mozart began composing, symphonies were played as single movements before, between, or as interludes within other works, and many of them lasted only ten or twelve minutes; instrumental groups had varying standards of playing and the "continuo" was a central part of music-making. In the intervening years, the social world of music had seen dramatic changes: international publication and touring had grown explosively, concert societies were beginning to be formed, notation had been made more specific, more descriptive, and schematics for works had been simplified (yet became more varied in their exact working out). In 1790, just before Mozart's death, with his reputation spreading rapidly, Haydn was poised for a series of successes, notably his late oratorios and "London" symphonies. Composers in Paris, Rome and all over Germany turned to Haydn and Mozart for their ideas on form.
 
One of the forces that worked as an impetus for his pressing forward was the first stirring of what would later be called [[Romanticism]]—the ''[[Sturm und Drang]]'', or "storm and stress" phase in the arts, a short period where obvious and dramatic emotionalism was a stylistic preference. Haydn accordingly wanted more dramatic contrast and more emotionally appealing melodies, with sharpened character and individuality in his pieces. This period faded away in music and literature: however, it influenced what came afterward and would eventually be a component of aesthetic taste in later decades.
The moment was again ripe for a dramatic shift. The decade of the 1790s saw the emergence of a new generation of composers, born around 1770, who, while they had grown up with the earlier styles, found in the recent works of Haydn and Mozart a vehicle for greater expression. In 1788 [[Luigi Cherubini]] settled in Paris, and in 1791 composed "Lodoiska", an opera that shot him to fame. Its style is clearly reflective of the mature Haydn and Mozart, and its instrumentation gave it a weight that had not yet been felt in the grand opera. His contemporary [[Étienne Méhul]] extended instrumental effects with his 1790 opera "Euphrosine et Coradin", from which followed a series of successes.
 
The ''[[Symphony No. 45 (Haydn)|Farewell Symphony]]'', No. 45 in F{{music|sharp}} minor, exemplifies Haydn's integration of the differing demands of the new style, with surprising sharp turns and a long slow adagio to end the work. In 1772, Haydn completed his Opus 20 set of six string quartets, in which he deployed the polyphonic techniques he had gathered from the previous Baroque era to provide structural coherence capable of holding together his melodic ideas. For some, this marks the beginning of the "mature" Classical style, a transitional period in which reaction against late Baroque complexity yielded to integration of Baroque and Classical elements.
Of course, the most fateful of the new generation would be [[Ludwig van Beethoven]], who launched his numbered works in 1794 with a set of three piano trios, which remain in the repertoire. Somewhat younger than these, though equally accomplished because of his youthful study under Mozart and his native virtuosity, was [[Johann Nepomuk Hummel]]. Hummel studied under Haydn as well; he was a friend to Beethoven and Schubert, and a teacher to Franz Liszt. He concentrated more on the piano than any other instrument, and his time in London in 1791 and 1792 saw the composition, and publication in 1793, of three piano sonatas, opus 2, which idiomatically used Mozart's techniques of avoiding the expected cadence, and Clementi's sometimes modally uncertain virtuoso figuration. Taken together, these composers can be seen now as the vanguard of a broad change in style and the center of gravity in music. They would study one another's works, copy one another's gestures in music, and on occasion behave like quarrelsome rivals.
 
=== 1775–1790 ===
The crucial differences with the previous wave can be seen in the downward shift in melodies, increasing durations of movements, the acceptance of Mozart and Haydn as paradigmatic, the greater and greater use of keyboard resources, the shift from "vocal" writing to "pianistic" writing, the growing pull of the minor and of modal ambiguity, and the increasing importance of varying accompanying figures to bring "texture" forward as an element in music. In short, the late Classical was seeking a music that was internally more complex. The growth of concert societies and amateur orchestras, marking the importance of music as part of middle-class life, contributed to a booming market for pianos, piano music, and virtuosi to serve as examplars. Hummel, Beethoven, Clementi were all renowned for their improvising.
{{unreferenced section|date=February 2021}}
{{See also|Musical development}}
[[File:Wolfgang-amadeus-mozart 1.jpg|upright|thumb|Wolfgang Amadeus Mozart, posthumous painting by Barbara Krafft in 1819]]
 
Haydn, having worked for over a decade as the music director for a prince, had far more resources and scope for composing than most other composers. His position also gave him the ability to shape the forces that would play his music, as he could select skilled musicians. This opportunity was not wasted, as Haydn, beginning quite early on his career, sought to press forward the technique of building and developing ideas in his music. His next important breakthrough was in the [[String Quartets, Op. 33 (Haydn)|Opus 33 string quartets]] (1781), in which the melodic and the harmonic roles segue among the instruments: it is often momentarily unclear what is melody and what is harmony. This changes the way the ensemble works its way between dramatic moments of transition and climactic sections: the music flows smoothly and without obvious interruption. He then took this integrated style and began applying it to orchestral and vocal music.
One explanation for the shift in style has been advanced by [[Arnold Schoenberg|Schoenberg]] and others: the increasing centrality of the idea of [[theme and variations]] in compositional thinking. Schoenberg argues that the Classical style was one of "continuing variation", where a development was, in effect, a theme and variations with greater continuity. In any event, theme and variations replaced the [[fugue]] as the standard vehicle for improvising, and was often included, directly or indirectly, as a movement in longer instrumental works.
[[File:Don Giovanni Commendatore.png|thumb|left|400px|The opening bars of the Commendatore's aria in Mozart's opera ''[[Don Giovanni]]''. The orchestra starts with a [[Consonance and dissonance|dissonant]] [[diminished seventh]] chord (G# dim7 with a B in the bass) moving to a [[dominant seventh chord]] (A7 with a C# in the bass) before resolving to the [[tonic chord]] (D minor) at the singer's entrance.]]
Haydn's gift to music was a way of composing, a way of structuring works, which was at the same time in accord with the governing aesthetic of the new style. However, a younger contemporary, [[Wolfgang Amadeus Mozart]], brought his genius to Haydn's ideas and applied them to two of the major genres of the day: opera, and the virtuoso concerto. Whereas Haydn spent much of his working life as a court composer, Mozart wanted public success in the concert life of cities, playing for the general public. This meant he needed to write operas and write and perform virtuoso pieces. Haydn was not a virtuoso at the international touring level; nor was he seeking to create operatic works that could play for many nights in front of a large audience. Mozart wanted to achieve both. Moreover, Mozart also had a taste for more chromatic chords (and greater contrasts in harmonic language generally), a greater love for creating a welter of melodies in a single work, and a more Italianate sensibility in music as a whole. He found, in Haydn's music and later in his study of the polyphony of [[J.S. Bach]], the means to discipline and enrich his artistic gifts.
[[File:Mozart Family Croce.jpg|thumb|250px|left|[[Portrait of the Mozart Family]], dated 1780-81]]
Mozart rapidly came to the attention of Haydn, who hailed the new composer, studied his works, and considered the younger man his only true peer in music. In Mozart, Haydn found a greater range of instrumentation, dramatic effect and melodic resource. The learning relationship moved in both directions. Mozart also had a great respect for the older, more experienced composer, and sought to learn from him.
 
Mozart's arrival in Vienna in 1780 brought an acceleration in the development of the Classical style. There, Mozart absorbed the fusion of Italianate brilliance and Germanic cohesiveness that had been brewing for the previous 20 years. His own taste for flashy brilliances, rhythmically complex melodies and figures, long [[cantilena]] melodies, and virtuoso flourishes was merged with an appreciation for formal coherence and internal connectedness. It is at this point that war and economic inflation halted a trend to larger orchestras and forced the disbanding or reduction of many theater orchestras. This pressed the Classical style inwards: toward seeking greater ensemble and technical challenges—for example, scattering the melody across woodwinds, or using a melody harmonized in thirds. This process placed a premium on small ensemble music, called chamber music. It also led to a trend for more public performance, giving a further boost to the string quartet and other small ensemble groupings.
Direct influence of the Baroque continued to fade: the [[figured bass]] grew less prominent as a means of holding performance together, the performance practices of the mid 18th century continued to die out. However, at the same time, complete editions of Baroque masters began to become available, and the influence of Baroque style, as the Classical period understood it, continued to grow, particularly in the more and more expansive use of brass. Another feature of the period is the growing number of performances where the composer was not present. This led to increased detail and specificity in notation; for example, there were fewer and fewer "optional" parts that stood separately from the main score.
 
It was during this decade that public taste began, increasingly, to recognize that Haydn and Mozart had reached a high standard of composition. By the time Mozart arrived at age 25, in 1781, the dominant styles of Vienna were recognizably connected to the emergence in the 1750s of the early Classical style. By the end of the 1780s, changes in [[performance practice]], the relative standing of instrumental and vocal music, technical demands on musicians, and stylistic unity had become established in the composers who imitated Mozart and Haydn. During this decade Mozart composed his most famous operas, his six late symphonies that helped to redefine the genre, and a string of piano concerti that still stand at the pinnacle of these forms.
The force of these shifts would be abundantly apparent with Beethoven's 3rd Symphony, given the name "Eroica", which is Italian for "heroic", by the composer. As with Stravinsky's [[Rite of Spring]], it may not have been the first in all of its innovations, but its aggressive use of every part of the Classical style set it apart from its contemporary works: in length, ambition, and harmonic resources.
 
One composer who was influential in spreading the more serious style that Mozart and Haydn had formed is [[Muzio Clementi]], a gifted virtuoso pianist who tied with Mozart in a musical "duel" before the emperor in which they each improvised on the piano and performed their compositions. Clementi's sonatas for the piano circulated widely, and he became the most successful composer in [[London]] during the 1780s. Also in London at this time was [[Jan Ladislav Dussek]], who, like Clementi, encouraged piano makers to extend the range and other features of their instruments, and then fully exploited the newly opened up possibilities. The importance of London in the Classical period is often overlooked, but it served as the home to the [[Broadwood and Sons|Broadwood's]] factory for piano manufacturing and as the base for composers who, while less notable than the "Vienna School", had a decisive influence on what came later. They were composers of many fine works, notable in their own right. London's taste for virtuosity may well have encouraged the complex passage work and extended statements on tonic and dominant.
===Classical influence on later composers===
Musical eras seldom disappear at once; instead, features are replaced over time, until the old is simply felt as "old-fashioned". The Classical style did not "die" so much as transform under the weight of changes.
 
=== Around 1790–1820 ===
One crucial change was the shift towards harmonies centering around "flatward" or subdominant keys. In the Classical style, major key was far more common than minor, chromaticism being moderated through the use of "sharpward" modulation, and sections in the minor mode were often merely for contrast. Beginning with Mozart and Clementi, there began a creeping colonization of the subdominant region. With Schubert, subdominant moves flourished after being introduced in contexts in which earlier composers would have confined themselves to dominant shifts (For a fuller discussion of these terms see [[Tonality]].). This introduced darker colors to music, strengthened the minor mode, and made structure harder to maintain. Beethoven would contribute to this, by his increasing use of the fourth as a consonance, and modal ambiguity &ndash; for example, the opening of the D Minor Symphony.
{{unreferenced section|date=February 2021}}
When Haydn and Mozart began composing, symphonies were played as single movements—before, between, or as interludes within other works—and many of them lasted only ten or twelve minutes; instrumental groups had varying standards of playing, and the continuo was a central part of music-making.
 
In the intervening years, the social world of music had seen dramatic changes. International publication and touring had grown explosively, and concert societies formed. Notation became more specific, more descriptive—and schematics for works had been simplified (yet became more varied in their exact working out). In 1790, just before Mozart's death, with his reputation spreading rapidly, Haydn was poised for a series of successes, notably his late oratorios and [[London symphonies]].<!-- Mozart's reputation or Haydn's?--> Composers in Paris, Rome, and all over Germany turned to Haydn and Mozart for their ideas on form.
Among this generation of "Classical Romantics" [[Franz Schubert]], [[Carl Maria von Weber]], and [[John Field (composer)|John Field]] are among the most prominent, along with the young [[Felix Mendelssohn]]. Their sense of form was strongly influenced by the Classical style, and they were not yet "learned" (imitating rules which were codified by others), but directly responding to works by Beethoven, Mozart, Clementi, and others, as they encountered them. The instrumental forces at their disposal were also quite "Classical" in number and variety, permitting similarity with avowedly Classical works.
[[File:Joseph Karl Stieler's Beethoven mit dem Manuskript der Missa solemnis.jpg|thumb|Portrait of [[Ludwig van Beethoven|Beethoven]], 1820]]
 
In the 1790s, a new generation of composers, born around 1770, emerged. While they had grown up with the earlier styles, they heard in the recent works of Haydn and Mozart a vehicle for greater expression. In 1788 [[Luigi Cherubini]] settled in Paris and in 1791 composed ''[[Lodoïska (Cherubini)|Lodoiska]]'', an opera that raised him to fame. Its style is clearly reflective of the mature Haydn and Mozart, and its instrumentation gave it a weight that had not yet been felt in the [[grand opera]]. His contemporary [[Étienne Méhul]] extended instrumental effects with his 1790 opera ''Euphrosine et Coradin'', from which followed a series of successes. The final push towards change came from [[Gaspare Spontini]], who was deeply admired by future romantic composers such as Weber, Berlioz and Wagner. The innovative harmonic language of his operas, their refined instrumentation and their "enchained" closed numbers (a structural pattern which was later adopted by Weber in Euryanthe and from him handed down, through Marschner, to Wagner), formed the basis from which French and German romantic opera had its beginnings.
However, the forces destined to end the hold of the Classical style gather strength in the works of each of these composers. The most commonly cited one is, of course, harmonic innovation. However, also important is the increasing focus on having a continuous and rhythmically uniform accompanying figuration. Beethoven's [[Moonlight sonata]] would be the model for hundreds of later pieces &ndash; where the shifting movement of a rhythmic figure provides much of the drama and interest of the work, while a melody drifts above it. As years wore on, greater knowledge of works, greater instrumental expertise, increasing variety of instruments, the growth of concert societies, and the unstoppable domination of the piano &ndash; which created a huge audience for sophisticated music &ndash; all contributed to the shift to the "Romantic" style.
[[File:Johann-nepomuk-hummel.jpg|thumb|upright|left|Hummel in 1814]]
The most fateful of the new generation was [[Ludwig van Beethoven]], who launched his numbered works in 1794 with a set of three piano trios, which remain in the repertoire. Somewhat younger than the others, though equally accomplished because of his youthful study under Mozart and his native virtuosity, was [[Johann Nepomuk Hummel]]. Hummel studied under Haydn as well; he was a friend to Beethoven and [[Franz Schubert]]. He concentrated more on the piano than any other instrument, and his time in London in 1791 and 1792 generated the composition and publication in 1793 of three piano sonatas, opus 2, which idiomatically used Mozart's techniques of avoiding the expected cadence, and Clementi's sometimes modally uncertain virtuoso figuration. Taken together, these composers can be seen as the vanguard of a broad change in style and the center of music. They studied one another's works, copied one another's gestures in music, and on occasion behaved like quarrelsome rivals.
 
The crucial differences with the previous wave can be seen in the downward shift in melodies, increasing durations of movements, the acceptance of Mozart and Haydn as paradigmatic, the greater use of keyboard resources, the shift from "vocal" writing to "pianistic" writing, the growing pull of the minor and of modal ambiguity, and the increasing importance of varying accompanying figures to bring "texture" forward as an element in music. In short, the late Classical was seeking music that was internally more complex. The growth of concert societies and amateur orchestras, marking the importance of music as part of middle-class life, contributed to a booming market for pianos, piano music, and virtuosi to serve as exemplars. Hummel, Beethoven, and Clementi were all renowned for their improvising.
Drawing the line exactly is impossible: there are sections of Mozart's works which, taken alone, are indistinguishable in harmony and orchestration from music written 80 years later, and composers continue to write in normative Classical styles all the way into the [[20th century]]. Even before Beethoven's death, composers such as [[Louis Spohr]] were self-described Romantics, incorporating, for example, more and more extravagant chromaticism in their works. However, generally the fall of Vienna as the most important musical center for orchestral composition is felt to be the occasion of the Classical style's final eclipse, along with its continuous organic development of one composer learning in close proximity to others. [[Franz Liszt]] and [[Frédéric Chopin]] visited Vienna when young, but they then moved on to other vistas. Composers such as [[Carl Czerny]], while deeply influenced by Beethoven, also searched for new ideas and new forms to contain the larger world of musical expression and performance in which they lived.
 
<!-- provide reference...One explanation for the shift in style has been advanced by [[Arnold Schoenberg|Schoenberg]] and others:{{Citation needed|date=May 2007}} the increasing centrality of the idea of [[theme and variations]] in compositional thinking. Schoenberg argues that the Classical style was one of "continuing variation", where development was, in effect, a theme and variations with greater continuity. In any event, theme and variations replaced the [[fugue]] as the standard vehicle for improvising and was often included, directly or indirectly, as a movement in longer instrumental works. -->
Renewed interest in the formal balance and restraint of 18th century classical music led in the early 20th century to the development of so-called [[Neoclassicism (music)|Neoclassical]] style, which numbered [[Igor Stravinsky|Stravinsky]] and [[Sergei Prokofiev|Prokofiev]] among its proponents.
The direct influence of the Baroque continued to fade: the [[figured bass]] grew less prominent as a means of holding performance together, the performance practices of the mid-18th century continued to die out. However, at the same time, complete editions of Baroque masters began to become available, and the influence of Baroque style continued to grow, particularly in the ever more expansive use of brass. Another feature of the period is the growing number of performances where the composer was not present. This led to increased detail and specificity in notation; for example, there were fewer "optional" parts that stood separately from the main score.
 
The force of these shifts became apparent with Beethoven's 3rd Symphony, given the name ''Eroica'', which is Italian for "heroic", by the composer. As with Stravinsky's ''[[The Rite of Spring]]'', it may not have been the first in all of its innovations, but its aggressive use of every part of the Classical style set it apart from its contemporary works: in length, ambition, and harmonic resources as well making it the first symphony of the [[Romantic period (music)|Romantic era]].
==Further reading==
* Rosen, Charles. ''The Classical Style: Haydn, Mozart, Beethoven.'' W.W. Norton & Company. ISBN 0-393-31712-9.
 
== First Viennese School ==
==See also==
{{More citations needed|section|date=November 2021}}
*[[List of Classical composers]]
[[File:Canaletto (I) 058.jpg|thumb|300px|View of Vienna in 1758, by [[Bernardo Bellotto]]]]
*[[:Category:Classical era composers]]
The [[First Viennese School]] is a name mostly used to refer to three composers of the Classical period in late-18th-century [[Vienna]]: Haydn, Mozart, and Beethoven. [[Franz Schubert]] is occasionally added to the list.
 
In German-speaking countries, the term ''Wiener Klassik'' (lit. ''Viennese classical era/art'') is used. That term is often more broadly applied to the Classical era in music as a whole, as a means to distinguish it from other periods that are colloquially referred to as ''classical'', namely [[Baroque music|Baroque]] and [[Romantic music]].
 
The term "Viennese School" was first used by Austrian musicologist Raphael Georg Kiesewetter in 1834, although he only counted Haydn and Mozart as members of the school. Other writers followed suit, and eventually Beethoven was added to the list.<ref>{{Cite Grove |last1=Heartz |first1=Daniel |author-link=Daniel Heartz |last2=Brown |first2=Bruce Alan |author2-link=Bruce Alan Brown |title=Classical|name-list-style=amp}}</ref> The designation "first" is added today to avoid confusion with the [[Second Viennese School]].
 
Whilst, Schubert apart, these composers certainly knew each other (with Haydn and Mozart even being occasional chamber-music partners), there is no sense in which they were engaged in a collaborative effort in the sense that one would associate with 20th-century schools such as the Second Viennese School, or [[Les Six]]. Nor is there any significant sense in which one composer was "schooled" by another (in the way that Berg and Webern were taught by Schoenberg), though it is true that Beethoven for a time received lessons from Haydn.
 
Attempts to extend the First Viennese School to include such later figures as [[Anton Bruckner]], [[Johannes Brahms]], and [[Gustav Mahler]] are merely journalistic, and never encountered in academic musicology. According to scholar James F. Daugherty, the Classical period itself from approximately 1775 to 1825 is sometimes referred to as "the Viennese Classic period".<ref>{{cite web|url=http://cmed.faculty.ku.edu/private/classical.html |title=The Classical Period (1775-1825) |first=James F. |last=Daugherty |publisher=[[University of Kansas]] |date= |access-date=20 March 2024}}</ref>
 
== Classical influence on later composers ==
{{See also|Tonality|Transition from Classical to Romantic music}}
{{Unreferenced section|date=April 2012}}
[[File:Franz Schubert by Wilhelm August Rieder 1875.jpg|upright|thumb|left|1875 oil painting of Franz Schubert by [[Wilhelm August Rieder]], after his own 1825 watercolor portrait]]
Musical eras and their prevalent styles, forms and instruments seldom disappear at once; instead, features are replaced over time, until the old approach is simply felt as "old-fashioned". The Classical style did not "die" suddenly; rather, it gradually got phased out under the weight of changes. To give just one example, while it is generally stated that the Classical era stopped using the [[harpsichord]] in orchestras, this did not happen all of a sudden at the start of the Classical era in 1750. Rather, orchestras slowly stopped using the harpsichord to play [[basso continuo]] until the practice was discontinued by the end of the 1700s.
[[File:Mendelssohn Bartholdy.jpg|thumb|upright|alt=Felix Mendelssohn|Portrait of [[Felix Mendelssohn|Mendelssohn]] by [[James Warren Childe]], 1839]]
One crucial change was the shift towards harmonies centering on "flatward" keys: shifts in the [[subdominant]] direction.{{clarify|date=October 2015}} In the Classical style, major key was far more common than minor, chromaticism being moderated through the use of "sharpward" modulation (e.g., a piece in C major modulating to G major, D major, or A major, all of which are keys with more sharps). As well, sections in the minor mode were often used for contrast. Beginning with Mozart and Clementi, there began a creeping colonization of the subdominant region (the ii or IV chord, which in the key of C major would be the keys of d minor or F major). With Schubert, subdominant modulations flourished after being introduced in contexts in which earlier composers would have confined themselves to dominant shifts (modulations to the [[dominant chord]], e.g., in the key of C major, modulating to G major). This introduced darker colors to music, strengthened the minor mode, and made structure harder to maintain. Beethoven contributed to this by his increasing use of the [[Interval (music)|fourth]] as a [[Consonance and dissonance|consonance]], and modal ambiguity—for example, the opening of the [[Symphony No. 9 (Beethoven)|Symphony No. 9 in D minor]].
 
[[Ludwig van Beethoven]], [[Franz Schubert]], [[Carl Maria von Weber]], [[Johann Nepomuk Hummel]], and [[John Field (composer)|John Field]] are among the most prominent in this generation of "Proto-Romantics", along with the young [[Felix Mendelssohn]]. Their sense of form was strongly influenced by the Classical style. While they were not yet "learned" composers (imitating rules which were codified by others), they directly responded to works by Haydn, Mozart, Clementi, and others, as they encountered them. The instrumental forces at their disposal in orchestras were also quite "Classical" in number and variety, permitting similarity with Classical works.
[[File:Bernhard Henrik Crusell 1826.jpg|thumb|upright|[[Bernhard Crusell]], a [[Swedish-speaking population of Finland|Swedish-Finnish]] composer and [[clarinet]]ist, in 1826]]
However, the forces destined to end the hold of the Classical style gathered strength in the works of many of the above composers, particularly Beethoven. The most commonly cited one is harmonic innovation. Also important is the increasing focus on having a continuous and rhythmically uniform accompanying figuration: [[Piano Sonata No. 14 (Beethoven)|Beethoven's Moonlight Sonata]] was the model for hundreds of later pieces—where the shifting movement of a rhythmic figure provides much of the drama and interest of the work, while a melody drifts above it. Greater knowledge of works, greater instrumental expertise, increasing variety of instruments, the growth of concert societies, and the unstoppable domination of the increasingly more powerful piano (which was given a bolder, louder tone by technological developments such as the use of steel strings, heavy cast-iron frames and sympathetically vibrating strings) all created a huge audience for sophisticated music. All of these trends contributed to the [[Transition from Classical to Romantic music|shift to the "Romantic" style]].
 
Drawing the line between these two styles is very difficult: some sections of Mozart's later works, taken alone, are indistinguishable in harmony and orchestration from music written 80 years later—and some composers continued to write in normative Classical styles into the early 20th century. Even before Beethoven's death, composers such as [[Louis Spohr]] were self-described Romantics, incorporating, for example, more extravagant [[chromaticism]] in their works (e.g., using chromatic harmonies in a piece's [[chord progression]]). Conversely, works such as [[Symphony No. 5 (Schubert)|Schubert's Symphony No. 5]], written during the chronological end of the Classical era and dawn of the [[Romantic period (music)|Romantic]] era, exhibit a deliberately anachronistic artistic paradigm, harking back to the compositional style of several decades before.
 
However, Vienna's fall as the most important musical center for orchestral composition during the late 1820s, precipitated by the deaths of [[Ludwig van Beethoven|Beethoven]] and [[Franz Schubert|Schubert]], marked the Classical style's final eclipse—and the end of its continuous organic development of one composer learning in close proximity to others. [[Franz Liszt]] and [[Frédéric Chopin]] visited Vienna when they were young, but they then moved on to other cities. Composers such as [[Carl Czerny]], while deeply influenced by Beethoven, also searched for new ideas and new forms to contain the larger world of musical expression and performance in which they lived.
 
Renewed interest in the formal balance and restraint of 18th century classical music led in the early 20th century to the development of so-called [[Neoclassicism (music)|Neoclassical]] style, which numbered [[Igor Stravinsky|Stravinsky]] and [[Sergei Prokofiev|Prokofiev]] among its proponents, at least at certain times in their careers.
 
== Classical period instruments ==
[[File:FortepianoByMcNultyAfterWalter1805.jpg|thumb|upright|Fortepiano by Paul McNulty after Walter & Sohn, c. 1805]]
{{See also|List of period instruments}}
 
=== Guitar ===
The Baroque guitar, with four or five sets of double strings or "courses" and elaborately decorated soundhole, was a very different instrument from the early [[classical guitar]] which more closely resembles the modern instrument with the standard six strings. Judging by the number of instructional manuals published for the instrument – over three hundred texts were published by over two hundred authors between 1760 and 1860 – the classical period marked a golden age for guitar.<ref>Stenstadvold, Erik. ''An Annotated Bibliography of Guitar Methods, 1760–1860'' (Hillsdale, New York: Pendragon Press, 2010), xi.</ref>
 
=== Strings ===
In the Baroque era, there was more variety in the bowed stringed instruments used in ensembles, with instruments such as the [[viola d'amore]] and a range of fretted [[viol]]s being used, ranging from small viols to large bass viols. In the Classical period, the [[string section]] of the orchestra was standardized as just four instruments:
 
* [[Violin]] (in orchestras and chamber music, typically there are first violins and second violins, with the former playing the melody and/or a higher line and the latter playing either a countermelody, a harmony part, a part below the first violin line in pitch, or an accompaniment line)
* [[Viola]] (the alto voice of the orchestral string section and string quartet; it often performs "inner voices", which are accompaniment lines which fill in the [[harmony]] of the piece)
* [[Cello]] (the cello plays two roles in Classical era music; at times it is used to play the [[bassline]] of the piece, typically doubled by the [[double bass]]es [Note: When cellos and double basses read the same bassline, the basses play an octave below the cellos, because the bass is a transposing instrument]; and at other times it performs melodies and solos in the lower register)
* [[Double bass]] (the bass typically performs the lowest pitches in the string section in order to provide the bassline for the piece)
 
In the Baroque era, the double bass players were not usually given a separate part; instead, they typically played the same [[basso continuo]] [[bassline]] that the cellos and other low-pitched instruments (e.g., [[theorbo]], [[serpent (instrument)|serpent]] wind instrument, [[viol]]s), albeit an octave below the cellos, because the double bass is a transposing instrument that sounds one octave lower than it is written. In the Classical era, some composers continued to write only one bass part for their symphony, labeled "bassi"; this bass part was played by cellists and double bassists. During the Classical era, some composers began to give the double basses their own part.
 
=== Woodwinds ===
It was commonplace for all orchestras to have at least 2 winds, usually oboes, flutes, clarinets, or sometimes English horns (see [[Symphony No. 22 (Haydn)]]. Patrons also usually employed an ensemble of entirely winds, called the ''[[harmonie]]'', which would be employed for certain events. The [[harmonie]] would sometimes join the larger string orchestra to serve as the wind section.
* [[Piccolo]] (used in military bands)
* [[Flute]]
* [[Oboe]]
* [[English horn]]
* [[Clarinet]]
* [[Basset horn]] (see [[Requiem (Mozart)]])
* [[Basset clarinet]]
* [[Clarinette d'amour]]
* [[Bassoon]]
* [[Contrabassoon]] (see [[The Creation (Haydn)]])
* [[Bagpipe]] (see [[Leopold Mozart]]'s divertimento, "Die Bauernhochzeit" or "Peasant Wedding")
 
=== Percussion ===
* [[Timpani]]
* "[[Turkish music (style)|Turkish music]]":
**[[Bass drum]]
**[[Cymbal]]s
**[[Triangle (musical instrument)|Triangle]]
** [[Tambourine]]
 
=== Keyboards ===
* [[Clavichord]]
* [[Fortepiano]] (the forerunner to the modern piano)
* [[Harpsichord]], the standard Baroque era [[basso continuo]] keyboard instrument, was used until the 1750s, after which time it was gradually phased out, and replaced with the [[fortepiano]] and then the [[piano]]. By the early 1800s, the harpsichord was no longer used.
* [[Organ (music)|Organ]]
 
=== Brasses ===
 
* [[Natural horn]]
* [[Natural trumpet]]
* [[Sackbut]] ([[Trombone]] precursor)
* [[Keyed trumpet]] (see [[Trumpet Concerto (Haydn)]])
* [[Serpent (instrument)|Serpent]] (commonplace in military bands)
* [[Post horn]] (see [[Serenade No. 9 (Mozart)]])
 
== Notes ==
{{Reflist|30em}}
 
== Further reading ==
* [[Philip Downs|Downs, Philip G.]] (1992). ''Classical Music: The Era of Haydn, Mozart, and Beethoven'', 4th vol of ''Norton Introduction to Music History''. W. W. Norton. {{ISBN|0-393-95191-X}} (hardcover).
* [[Barbara Russano Hanning|Hanning, Barbara Russano]]; Grout, Donald Jay (1998 rev. 2006). ''Concise History of Western Music''. W. W. Norton. {{ISBN|0-393-92803-9}} (hardcover).
* [[Michael Kennedy (music critic)|Kennedy, Michael]] (2006), ''The Oxford Dictionary of Music'', 985 pages, {{ISBN|0-19-861459-4}}
* Lihoreau, Tim; [[Stephen Fry|Fry, Stephen]] (2004). ''[[Stephen Fry's Incomplete and Utter History of Classical Music]]''. Boxtree. {{ISBN|978-0-7522-2534-0}}
* [[Taruskin, Richard]] (2005, rev. Paperback version 2009). ''Oxford History of Western Music''. Oxford University Press (US). {{ISBN|978-0-19-516979-9}} (Hardback), {{ISBN|978-0-19-538630-1}} (Paperback)
 
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