Harry Nilsson to Paul McCartney in 9 Steps
- Harry Nilsson produced Back Off Boogaloo
- Back Off Boogaloo features guitar played by Richie Zito
- Richie Zito played guitar for Stop and Take the Time to Smell the Roses
- Stop and Take the Time to Smell the Roses was sung by Ringo Starr
- Ringo Starr was a member of the original Hollywood Vampires
- Hollywood Vampires was a celebrity drinking club that included 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