Like a supernova, Roger "Syd" Barrett burned briefly and brightly, leaving an indelible mark upon psychedelic and progressive rock as the founder and original singer, songwriter, and lead guitarist of Pink Floyd. Barrett was responsible for most of their brilliant first album, 1967's The Piper at the Gates of Dawn, but left and/or was fired from the band in early 1968 after his erratic behavior had made him too difficult to deal with (he appears on a couple tracks on their second album, A Saucerful of Secrets). Such was his stature within the original lineup that few observers...