Syd Barrett contributed to The Wall.
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 . Waters became the band 's primary lyricist and conceptual leader , devising the concepts behind their albums The Dark Side of the Moon ( 1973 ) , Wish You Were Here ( 1975 ) , Animals ( 1977 ) , The Wall ( 1979 ) and The Final Cut ( 1983 ) . The Dark Side of the Moon and The Wall became two of the best-selling albums of all time . Syd Barrett . Best known as a founder member of the band Pink Floyd , Barrett was the lead singer , guitarist and principal songwriter in its early years and is credited with naming the band . With Pink Floyd , he recorded four singles , their debut album ( and contributed to the second one ) , and several unreleased songs .