Artist: John Lennon - Piano: John Lennon - Artist: Yoko Ono - Acoustic Guitar: George Harrison - Piano: George Harrison - Bass Guitar: Klaus Voormann - Piano: Klaus Voormann - Organ: Billy Preston - Drums: Alan White - Piano: Alan White - Background Vocalist: Mal Evans - Percussion: Mal Evans - Clapping: Mal Evans - Background Vocalist: Yoko Ono - Background Vocalist: Allen Klein - Producer: Phil Spector - Engineer: Phil McDonald - Engineer: Andy Stephens - Remix Engineer: Paul Hicks - Executive Producer: Yoko Ono Lennon - Producer: Sean Ono Lennon - Other: Sean Ono Lennon - Producer: Simon Hilton - Production Coordinator: Simon Hilton - Mixer: Paul Hicks - Engineer: Paul Hicks - Engineer: Sam Gannon - Additional Mixer: Sam Gannon - Engineer: Matt Tuggle - Mastering Engineer: Alex Wharton - Composer/Author: John Lennon