free jazz
L'Infonie was an avant-garde Québécois chamber ensemble founded in Montreal in 1967, under the direction of classical composer Walter Boudreau and artist/poet Raôul Duguay. The name is derived from a pun for the French words for "symphony" and "the Inferno". They produced four albums between 1969 and 1974, after which the project ended. It was intended both as a commercial music group and a novel approach to collective improvisation. L'Infonie had as many as thirty full-time musicians during its artistic apex. Duguay published the group's manifesto in 1970. They released a number of albums on Source: Wikipedia, CC BY-SA