Composer and conductor, born in Venice, Italy. A child prodigy violinist and conductor, he went on to study composition and conducting. Early in his musical career he composed for films and radio, and taught at the Venice Conservatory, then in 1955 he began to do research into the possibilities of electronic music, founding with Luciano Berio the Studio di Fonologia Musicale of Italian Radio. He became music director of Milan Radio, and wrote pieces for combinations of live and taped music, such as Compositions in Three Tempi, and a number of pieces for electronic music, such as Dimensions II (1960).