David Bowie to The Tree in 7 Steps
- David Bowie is name checked by Life is a Rock
- Life is a Rock name checks Richard Perry
- Richard Perry wrote I'd Rather Be Dead
- I'd Rather Be Dead was written by Harry Nilsson
- Harry Nilsson wrote Marchin' Down Broadway
- Marchin' Down Broadway was published by Six Continents Music
- Six Continents Music published The Tree