While he studies piano at the conservatory and other schools he starts composing in 1946. From 1952 on he goes to Darmstadt where his works are performed as well as in Paris and Köln « Musik der Zeit ». In 1958 he enters the Groupe de Musique Concrète where he stays until 1966. Creates with Pierre Schaeffer the Groupe de Recherche Musicale (1958-59); teaching activities, series of broadcasts on Musique Concrète, artistic and research direction of a small ensemble whose conductor is Konstantin Simonovich ; Sound recordings, illustration and co production of a TV-series « Chaque Pays fête son Grand Homme » (1965). 1964-65 he teaches at the Rheinische Musikschule, Köln. He produces in 1965 and 1966 with Gérard Patris a TV series « Les Grandes Répétitions » (Olivier Messiaen, Edgar Varèse, Karlheinz Stockhausen, Hermann Scherchen, Cecil Taylor).
In 1966 he teaches experimental music in Stockholm. Invited by the DAAD he spends the year 1967 in Berlin. Back in France he is in charge as artistic director of the Maison de la Culture d’ Amiens until 1969. In 1972 he builds up his studio « Billig », a modest electro acoustic workshop. He creates in 1982 the association ” La Muse en Circuit », a studio for electro acoustic composition and radio art which he leaves in 1994.
In 1995 a Ferrari season « Parcours Confus » is organized throughout Holland. He builds up in 1996 his own home studio, which he calls Atelier post-billig. In 1997 conference and concert tour in California before he visits in 1998 the American southwest as an itinerant sound hunter and composes a radio series « Far-West News » for the Dutch Radio NPS.
In 2001, retrospective of all his electro acoustic compositions as well as his radio art pieces organized by the Futura festival, Crest in France. He travels again in the United States for a concert tour in 2001 and in 2002 Tokyo invites him for a concert series. Also in 2003 he is invited again to Tokyo, with among many of his other pieces “Paris-Tokyo-Paris” commissioned by the Ensemble New Generation, then to Marseille as well as to Switzerland, La Chaux de Fonds, each time for a retrospective of his works during a week.