Shine On You Crazy Diamond...

http://en.wikipedia.org/wiki/Syd_Barrett
"Roger Keith "Syd" Barrett (January 6, 1946 – July 7, 2006) was an English singer, songwriter, guitarist and artist.
Best remembered as one of the founding members of the group Pink Floyd, Barrett was active as a rock musician for only a few years, before he went into seclusion. His creative legacy and quintessentially English vocal delivery have since proven remarkably influential."