John Lennon Quotes about Music
John Lennon (2002). “The Songs of John Lennon: The Beatles Years”, p.214, Berklee Press
John Lennon, Yōko Ono, David Sheff, G. Barry Golson (1981). “The Playboy interviews with John Lennon and Yōko Ono”, Putnam Pub Group
BBC Radio 1 "Scene and Heard" with David Wigg, October 25, 1971.
Jann Wenner, John Lennon (2001). “Lennon Remembers”, p.105, Verso