In 1974 he released the successful single "Long hot Summer" with his new band Galaxy Lin. He was the founder and main composer for this band whowhich released two albums, "Galaxy Lin" in 1974 and "G" in 1975. The singer was Rudy Bennett, with whom van Leeuwen already collaborated in The Motions. Galaxy Lin disbanded in 1976. Together with Rick van der Linden van Leeuwen founded Mistral in 1977. The group scored three hits during this period, "Jamie", "Starship 109" and "Neon City". The main instrument used was the synthesizer. The group produced three more singles in 1980, but these were not as successfull as the former singles. After this Robbie van Leeuwen withdrew from the music business and moved to Luxembourg. In 2013 he received the Buma Lifetime Achievement Award. As of 2018 he, again, lives in the Netherlands, in Wassenaar. <ref>https://www.ad.nl/den-haag/het-mysterie-robbie-van-leeuwen~a1d7972c/</ref><ref>https://nl.wikipedia.org/wiki/Robbie_van_Leeuwen</ref>
His best-known compositions are [[Shocking Blue]]'s most famous songs, "[[Venus (Shocking Blue song)|Venus]]", which was a US and UK No. 1 hit, "[[Love Buzz]]", which was covered by [[Nirvana (band)|Nirvana]] and released as their first single, and "[[Scorpio's Dance|Deamon Lover]]".{{cn|date=February 2018}}
