[link to original on tumblr]
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I never actually got around to writing the bass part in notation (or even attempting to write it in notation). There are some pretty easy edit points though, so I combined three takes to get this.
"Rip It Up" is a rock and roll standard, but the Zombie Heaven liner notes mention Little Richard's version specifically. I went through all of the versions I have, and the Zombies' version is in the same key as his (F major), so it seems like it really was the most influential for them.
For the record, Bill Haley's is in C major; Buddy Holly's (which I have on Down the Line: Rarities, so I don't think it was ever officially released) is in D major; Elvis' is in A major; the Everly Brothers' is in C major; and the Beatles' version (on Anthology 3) is in A major.