Harry Shearer to Paul McCartney in 5 Steps
- Harry Shearer wrote Party from Outer Space
- Party from Outer Space was written by Albert Brooks
- Albert Brooks was friends with Harry Nilsson
- Harry Nilsson 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 Paul McCartney