Julian Lennon to Van Dyke Parks in 4 Steps

1. Julian Lennon appeared in a 1994 Public Service Announcement for Recording Artists, Actors, and Athletes Against Drunk Driving
2. Recording Artists, Actors, and Athletes Against Drunk Driving created a PSA featuring Harry Nilsson
3. Harry Nilsson wrote I Yam What I Yam
4. I Yam What I Yam was arranged by Van Dyke Parks

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