 He promoted the twelve-tone technique in articles he contributed in Italian music periodicals, books, and lectures.In 1949 he organized the First Congress of twelve-tone music in Milan which was attended by such important composers as John Cage, Luigi Dallapiccola, Karl Amadeus Hartmann, René Leibowitz, Bruno Maderna, and Camillo Togni.In 1969 he represented Italy at UNESCO's 7th Congress in Moscow.