Since it's fantasy, I suppose I could put people who would have never worked together, but might have done amazing things.
Guitar-
Hendrix
Segovia
A bunch of "second choices" Vaughn, Trower, Van Halen, Rhodes, Harrison (sounds so simple until you see the tab my hands won't even do most of those chords if I use the other hand to place the fingers
), Clapton - same as Harrison, especially white room.
Hendrix probably would have been all for it, but from all I've read Segovia detested anything but classical.
Bass - Tough call, I'm not really up on bass players. Maybe Geezer Butler.
Drums - Heck, maybe Gene Krupa or Buddy Rich. can't go with all hard rock guys.