Harry Nilsson to The Hitchhiker's Guide to the Galaxy in 9 Steps

1. Harry Nilsson sang backing for Old Dirt Road
2. Old Dirt Road features guitar played by Jesse Ed Davis
3. Jesse Ed Davis played guitar for Subterranean Homesick Blues
4. Subterranean Homesick Blues 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 Mickey Dolenz
7. Mickey Dolenz produced Luna
8. Luna features an appearance by Colin Bennett
9. Colin Bennett appeared in the TV series The Hitchhiker's Guide to the Galaxy

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