What if Helter Skelter and Whole Lotta Love had been the same song?
A mash-up that really works. The bassists get into a tangle now and again, but I guess with McCartney concentrating on the vocals, he'd just go ahead and leave it to JPJ to sort out. Of course it's a bit of a cheat combining the nastiest, rockiest ever Beatles track with a mid-nasty Led Zeppelin track. Could you do this with Norwegian Wood and Tangerine? (This is a challenge.)