Paul McCartney to Maybe in 9 Steps
- Paul McCartney wrote She's Leaving Home
- She's Leaving Home was arranged by George Tipton
- George Tipton arranged River Deep-Mountain High
- River Deep-Mountain High was produced by Rick Jarrard
- Rick Jarrard produced One
- One was published by Unichappell Music
- Unichappell Music published Cowboy
- Cowboy was produced by Harry Nilsson
- Harry Nilsson wrote Maybe