1. "4 Minutes and 33 Seconds", a peerless classic silent music.

2. American musician John Cage is the most controversial avant-garde master of the 20th century.

3. His silent music "4 Minutes and 33 Seconds" is astonishing. As a pioneer of performance art, he continues to create music sensations. A tireless musical experimenter, he abandoned traditional playing techniques and composition techniques. He is famous as the pioneer of the "added piano", which puts various objects on or between the strings of a traditional piano to change the original sound and timbre.