Milton Babbitt - Double Canon (1/4) Milton Babbitt - Double Canon (2/4) Milton Babbitt - Double Canon (3/4) Milton Babbitt - Double Canon (4/4) Ernst Krenek - Canon, dodecaphonic by inversion and retrogression Andrew W. Imbrie - Letter to Fromm Theodore Antoniou - "Happy Birthday Paul" Western Union Telegram Seiji Ozawa - Telegram