Via MetaFilter: Syd Barrett passes on. Pink Floyd founder (paid tribute to by his former bandmates in “Shine On You Crazy Diamond) who had succumbed to mental illness passes away due to complications of diabetes. RIP. Pink Floyd was one of the most influential groups of the 60s & 70s, known for their elaborate shows and complex multi-layered music. “Dark Side of the Moon” is still one of the largest selling albums ever, although Syd wasn’t involved with it.