Later the American musician John Cage released his work "4 '33" "where he sat at a piano, in front of an audience, for exactly four minutes and 33 seconds, during which time his hands didn't even touch the keys.
之後美國音樂家強・凱吉，也發表了他的《4 分 33 秒》作品，這一位音樂大師對著數百觀眾，在鋼琴前靜坐了四分又三十三秒鐘，連手都沒有碰到鋼琴，就完成了他的作品。