John Lennon to The Wedding Party in 9 Steps
- John Lennon arranged Mucho Mungo-Mt. Elga
- Mucho Mungo-Mt. Elga was published by Blackwood Music
- Blackwood Music published Ambush
- Ambush was produced by Richard Perry
- Richard Perry produced I'll Never Leave You
- I'll Never Leave You was arranged by George Tipton
- George Tipton was nominated for an Oscar for the music he composed for the film Phantom of the Paradise
- Phantom of the Paradise was written and directed by Brian De Palma
- Brian De Palma directed The Wedding Party