A post for John Cage’s birthday (5 September 1912)
A piece in which the performer is directed to remain silent for 4 minutes and 33 seconds made American composer John Cage famous – and infamous. His 4’33” is as much a piece of conceptual art and a profound musing on the nature of silence as it is a piece of music: through it, Cage challenged traditional notions of what constitutes music, performance, a concert and above all, silence….
The Cross-Eyed Pianist 
4:33 of silence. Is that really music? Having heard of it before, I think it is ridiculous rubbish.