John Lennon to Richard Barnes in 8 Steps
- John Lennon was a member of the original Hollywood Vampires
- Hollywood Vampires was a celebrity drinking club that included Harry Nilsson
- Harry Nilsson produced Cowboy
- Cowboy was published by Unichappell Music
- Unichappell Music published One
- One was arranged by George Tipton
- George Tipton arranged Maybe
- Maybe was covered by Richard Barnes