Blues:
B.B. King
Buddy Guy
Albert King
Howlin Wolf
Jimi Hendrix
Steveie Ray Vaughn
Many more...

Punk:
Black Flag
Agnostic Front
Misfits
Sub Humans
Minor Threat
Bad Religion
Operation Ivy
DRI
Rancid
TSOL
Many more...

Metal/Rock/Country:
Slayer
Corosion Of Conformity
Anthrax
Biohazard
Lynard Skynard
Danzig
Sepultura
Led Zeppelin
Pink Floyd
Steely Dan
Boston
Rage Against The Machine
311
Santana (old)
The Doors
Lou Reed
David Bowie
The Stooges
Iron Maiden
Motorhead
Mike Watt - Firehose, Minute Men
Hank Williams Jr.
Johnny Cash

The list goes on and on.