Perry Botkin to Paul McCartney in 10 Steps
- Perry Botkin wrote Mexico City
- Mexico City was written by Harry Nilsson
- Harry Nilsson wrote Marchin' Down Broadway
- Marchin' Down Broadway was published by Unichappell Music
- Unichappell Music published Best Friend
- Best Friend was published by Six Continents Music
- Six Continents Music published Man Wasn't Meant To Fly
- Man Wasn't Meant To Fly was produced by Rick Jarrard
- Rick Jarrard produced She's Leaving Home
- She's Leaving Home was written by Paul McCartney