Tommy Shepard to Paul McCartney in 8 Steps

1. Tommy Shepard played trombone for Duit on Mon Dei
2. Duit on Mon Dei includes saxophone played by Bobby Keys
3. Bobby Keys played sax for Loop de Loop
4. Loop de Loop was produced by John Lennon
5. John Lennon was a member of the original Hollywood Vampires
6. Hollywood Vampires was a celebrity drinking club that included Ringo Starr
7. Ringo Starr appeared in a 1994 Public Service Announcement for Recording Artists, Actors, and Athletes Against Drunk Driving
8. Recording Artists, Actors, and Athletes Against Drunk Driving created a PSA featuring Paul McCartney

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