Randy Newman to Paul McCartney in 13 Steps
- Randy Newman wrote Cowboy
- Cowboy was published by Unichappell Music
- Unichappell Music published The Family
- The Family was sung by Harry Nilsson
- Harry Nilsson wrote Remember (Christmas)
- Remember (Christmas) was produced by Richard Perry
- Richard Perry played percussion for Nilsson Schmilsson
- Nilsson Schmilsson includes bass played by Klaus Voormann
- Klaus Voormann played bass for All My Life
- All My Life was arranged by John Lennon
- John Lennon was a member of the Beatles
- The Beatles recorded She's Leaving Home
- She's Leaving Home was written by Paul McCartney