 This was a large part of the reason that he became the first member of the band to release a solo album, "Smash Your Head Against the Wall" (1971) which featured contributions from Keith Moon, Jerry Shirley, Vivian Stanshall, Neil Innes and the Who's roadie, Dave "Cyrano" Langston.He was the only member of the band to have had formal musical training.In addition to the bass guitar, he contributed backing vocals and performed on the French horn (heard on "Pictures of Lily"), trumpet, piano, bugle, and Jew's harp, and on some occasions he sang the lead vocals on his compositions.