John Cage still ruffles feathers to this day by defying common perceptions of what music is or should be. Music is simply organized sound. You need not have melody, harmony or a steady tempo to reach this criteria.

Now, this piece isn't something I'd personally put on my ipod, but it is a gentle reminder that all the noise that surrounds me has pitch and rhythm, and that art is subjectively defined by the deforming prism of my own mind.