He played progressive rock music in the late 1960s with the band Red Noise, which recorded one album.
He was born during World War II and had a turbulent childhood in various places after his parents divorced, spending a long period of time in England and going to boarding school in Switzerland.
[5] According to Vian, these were exciting times: he later commented that in Red Noise's early days, "their concerts wouldn't end until the cops came.
[7] Given the revolutionary times, the band split rather appropriately into a socialist and a Trotskyist section, the latter of which continued under the name Komintern.
[8] In 1975, he composed some of the music for the film Hu-Man (starring Jeanne Moreau and Terence Stamp) by Jérôme Laperrousaz.