George Roger Waters is an English songwriter, singer, bassist, and composer. In 1965, he co-founded the progressive rock band Pink Floyd with drummer Nick Mason, keyboardist Richard Wright, rhythm guitarist Bob Klose, as well as lead guitarist, singer, and songwriter Syd Barrett. Waters initially served as the bassist, but following the departure of Barrett in 1968, he also became their lyricist, co-lead vocalist, and conceptual leader.