Oh boy. Let's see...

The Yardbirds
Jim Morrison
Thin Lizzy
The Byrds
Spirit
Little Feat
Roxy Music
Bob Dylan
Hendrix
Van Morrison
Gram Parsons
Bruce Springsteen
REM
Uncle Tupelo
Merle Haggard
Townes van Zandt
Beatles
Son Volt
Richard Thompson
Sonny Boy Williamson(Rice)
Paul Rodgers
Woody Guthrie

Well. You asked.