Quadrophenia is a stage musical based on the sixth studio album by English rock band The Who, released on 19 October 1973, and a film of the same name, released in 1979. The album was the group's second full-length rock opera, and the story reveals social, musical and psychological events from an English teenager's perspective. The music and songs were composed by Pete Townshend and the story is set in London and Brighton in 1964 and '65.