Dennis Belfield to Paul McCartney in 12 Steps
- Dennis Belfield played bass for Drumming is My Madness
- Drumming is My Madness was produced by Harry Nilsson
- Harry Nilsson wrote Cast And Crew
- Cast And Crew was arranged by George Tipton
- George Tipton arranged Miss Butter's Lament
- Miss Butter's Lament was published by Six Continents Music
- Six Continents Music published Det Kan Val Va Sa Har
- Det Kan Val Va Sa Har was published by Unichappell Music
- Unichappell Music published Save the Last Dance for Me
- Save the Last Dance for Me was produced by John Lennon
- John Lennon wrote She's Leaving Home
- She's Leaving Home was written by Paul McCartney