Ringo Starr to Groucho Marx in 9 Steps
- Ringo Starr produced Frankenstein, Merlin & The Operation
- Frankenstein, Merlin & The Operation was produced by Harry Nilsson
- Harry Nilsson wrote Courtship of Eddie's Father - Background Cues
- Courtship of Eddie's Father - Background Cues was published by Unichappell Music
- Unichappell Music published I Guess the Lord Must Be in New York City
- I Guess the Lord Must Be in New York City was produced by Rick Jarrard
- Rick Jarrard produced Cast And Crew
- Cast And Crew is heard in Skidoo
- Skidoo starred Groucho Marx