This is your Fantasy Band, which as the name suggests is wholly unbased in any form of reality. I heard this suggestion on a morning show (Mark and Brian - KLOS) and thought I'd steal it since I have no original ideas anymore.
Basically, you assemble a band based on any musicians living or otherwise (Keith Richards fits either description) and wonder if they'd actually be any good or would just totally suck like some Superbands have.
For mine, I have cautiously and carefully randomly selected the following:
Lead Singer - Scott Weiland. For at least the first few weeks before he goes back into Rehab. Then that spot would be filled by either Chris Cornell or Michael Hutchence. Or both. Why the fuck not? Any of these guys can wail and croon, and I like that sort of versatility.
Lead Guitar - this was a tossup between Prince and Tom Morello, with a dash of Slash thrown in. Prince is amazing when he wields his axe, Morello can create sounds that would make George Lucas have spasmodic orgasms of envy, and Slash ... well, he can rock a crowd and look plain ugly doin' it. Winner: Prince.
Rhythm Guitar - Sorry, but I have to throw John Mayer into this spot. Guy's good.
Bass - again, a tossup. Flea or Les Claypool. Shit. This is a tough one. Winner: Les.
Drums - Grohl. Hell yeah. Danny Carey was close, real close. As was Collins. But Grohl gets the spot.
Keyboards - yes, fucking keyboards. You know they're gonna be in there at some point, so ... Martin Gore? Bruce Hornsby? Billy Joel? Elton? Hmm. Winner: Brian Eno.
Triangle: Ed Grimley. Duh.
I'm gonna stop now cause I have to get some sleep and no one's reading this anyway. I may update it tomorrow just out of OCD.