Julie London to The Hitchhiker's Guide to the Galaxy in 15 Steps
- Julie London recorded Without Her
- Without Her was arranged by George Tipton
- George Tipton arranged I'll Never Leave You
- I'll Never Leave You was written by Harry Nilsson
- Harry Nilsson produced I Yam What I Yam
- I Yam What I Yam was arranged by Van Dyke Parks
- Van Dyke Parks produced Zip-A-Dee-Doo-Dah
- Zip-A-Dee-Doo-Dah features guitar played by Dennis Budimir
- Dennis Budimir played guitar for Back Off Boogaloo
- Back Off Boogaloo features drums played by Ringo Starr
- Ringo Starr was a member of the original Hollywood Vampires
- Hollywood Vampires was a celebrity drinking club that included Mickey Dolenz
- Mickey Dolenz produced Luna
- Luna features an appearance by Colin Bennett
- Colin Bennett appeared in the TV series The Hitchhiker's Guide to the Galaxy