Parallel and counter parallel: Difference between revisions

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[[Image:Subdominant and supertonic similarity.png|thumb|The similarity between the [[subdominant]] and [[supertonic]] chords is easily seen and heard through the supertonic seventh chord {{audio|Subdominant and supertonic similarity.mid|Play}}.]]

In [[music]], a '''parallel chord''' ('''relative chord''', German: ''Parallelklang'') is an auxiliary chord derived from one of the [[primary triad]]s and sharing its [[diatonic function|function]]: [['''subdominant parallel]]''', [['''dominant parallel]]''', and [['''tonic parallel]]'''.<ref name="Harmony">Haunschild, Frank (2000). ''The New Harmony Book'', p.47. ISBN 978-3-927190-68-9.</ref> The term is derived from German theory and the writings of [[Hugo Riemann]] (see: [[Riemannian theory]]).

{{quote|The substitution of the major sixth for the perfect fifth above in the major triad and below in the minor triad results in the parallel of a given triad. In C major thence arises an apparent A minor triad (Tp, the parallel triad of the tonic, or tonic parallel), D minor triad (Sp), and E minor triad (Dp).|Hugo Riemann|"Dissonance", ''Musik-Lexikon''<ref>Gollin, Edward and Rehding, Alexander; eds. (2011). ''The Oxford Handbook of Neo-Riemannian Music Theories'', p.105. Oxford. ISBN 9780195321333.</ref>}}