Born in Compiègne, France, 25 Aug 1945. A French composer who studied at the Groupe de recherches musicales (GRM). Then he joined with [a212791] to found Electro-acoustic Improv. Ensemble Opus N. In 1970 he and [a221971] created the Groupe de musique expérimentale de Bourges ([l295679]) which became in 1994 the Institut international de musique électroacoustique de Bourges ([l64250]). In 1971, They founded the Bourges yearly festival of electro-acoustic music named Synthèse. Clozier defined the experimental music…