Shanghai Knights to Paul McCartney in 8 Steps

1. Shanghai Knights is a sequel to Shanghai Noon
2. Shanghai Noon has a deleted scene featuring Curtis Armstrong
3. Curtis Armstrong wrote liner notes for Son of Schmilsson
4. Son of Schmilsson includes guitar played by Lowell George
5. Lowell George played guitar for Flash Harry
6. Flash Harry includes drums played by 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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