Syd Barrett - 2 Years Since

Really sad. Here's a story from the Wikipedia which shows just what kind of a guy he was:

Barrett's unpredictable behaviour at the time and idiosyncratic sense of humour combined to create a song that, initially, seemed like an ordinary Barrett tune. However, as soon as the others attempted to join in and learn the song, Barrett changed the melodies and structure, making it impossible for the others to follow, while singing the chorus "Have you got it yet?" This would be his last attempt to write material for Pink Floyd before leaving the band.

http://en.wikipedia.org/wiki/Unreleased_Pink_Floyd#Have_You_Got_It.2C_Yet.3F