John Lennon - "Imagine" Live 1975 Last TV appearance (Reelin' In The Years Archive)"Imagine" is a song by English rock musician John Lennon from his 1971 album Imagine. Album is the second solo studio album by English musician John Lennon, released on 9 September 1971 by Apple Records. Co-produced by Lennon, his wife Yoko Ono and Phil Spector.