Premise: Pink Floyd . Pink Floyd were founded in 1965 by students Syd Barrett on guitar and lead vocals , Nick Mason on drums , Roger Waters on bass and vocals , and Richard Wright on keyboards and vocals . Syd Barrett . With Pink Floyd , he recorded four singles , their debut album ( and contributed to the second one ) , and several unreleased songs .
Hypothesis: Syd Barrett was a guitarist for Pink Floyd.
Label: ENTAILMENT