Those that I think that will:
The Beatles (I doubt this one due to the baby boomers dying out.)
Led Zeppelin
Pink Floyd
Johny Cash
Tool
Those that I would like to:
Emperor
Opeth
Ihsahn
Ulver (These guys have potential to actually do it
https://www.youtube.com/watch?v=AIrhUneRifA)
Creedence Clearwater Revival
All Zydeco
Dire Straits
Led Belly
Robert Johnson
Howlin' Wolf
Wolves in the Throne Room