John Cage (born September 5, 1912) changed the way we think about music, and his influence echoes loudly to this day. Or it echoes silently.
In this video, the BBC orchestra performs his 1952 work 4′ 33″, which features a full orchestra performing the sound of… silence. Here, you can watch, and listen, along with a raptly-attentive Barbican Hall audience.