James Mastro to Ambush in 9 Steps
- James Mastro recorded Spaceman
- Spaceman was published by Blackwood Music
- Blackwood Music published All My Life
- All My Life was produced by John Lennon
- John Lennon was a member of the original Hollywood Vampires
- Hollywood Vampires was a celebrity drinking club that included Harry Nilsson
- Harry Nilsson wrote It's A Jungle Out There
- It's A Jungle Out There was published by EMI
- EMI published Ambush