Formation and Barrett-led period thumb|upright=.75|left|Waters performing with Pink Floyd at Leeds University in 1970|alt=A monochrome image of Roger Waters playing bass guitar. He has shoulder-length hair, black attire, and is standing in front of a microphone.
Formation and Barrett-led period thumb|upright=.75|left|Waters performing with Pink Floyd at Leeds University in 1970|alt=A monochrome image of Roger Waters playing bass guitar. He has shoulder-length hair black attire, and is standing in front of a microphone.