 Fellow students included Zazeela, composers Terry Riley, Michael Harrison, and Yoshi Wada, philosophers Henry Flynt and Catherine Christer Hennix and many others.Young considers "The Well-Tuned Piano"—a permuting composition of themes and improvisations for just-intuned solo piano—to be his masterpiece.Young gave the world premiere of "The Well-Tuned Piano" in Rome in 1974, ten years after the creation of the piece.