Cowboy to Julian Lennon in 7 Steps
- Cowboy was produced by Harry Nilsson
- Harry Nilsson sang Rainmaker
- Rainmaker was written by Bill Martin
- Bill Martin played guitar for Blackbird
- Blackbird was written by Paul McCartney
- Paul McCartney appeared in a 1994 Public Service Announcement for Recording Artists, Actors, and Athletes Against Drunk Driving
- Recording Artists, Actors, and Athletes Against Drunk Driving created a PSA featuring Julian Lennon