"Happiness Is a Warm Gun" is a song by the English rock band the Beatles from their 1968 album The Beatles. It was written by John Lennon and credited to the Lennon–McCartney partnership. Wikipedia
Composers: John Lennon and Paul McCartney
Lyricists: John Lennon and Paul McCartney
Genre: Progressive rock
Producer(s): George Martin
Recorded: 24–26 September 1968
Released: 22 November 1968