Various, Jimi Hendrix, Jeff Beck, The Yardbirds, Eric Burdon & The Animals, Jack Bruce, Ginger Baker, Dick Heckstall-Smith, Gregg Allman, Duane Allman, Rod Stewart, The Spencer Davis Group, Steve Winwood, Rory Gallagher

Detroit Proto-Punk

Pull this thread and you get Michigan guitar noise from 1969 ballrooms to 1999 basements, unbroken.

San Francisco Psychedelia

Ballroom bands who stretched blues and folk into twenty-minute jams, pressed before anyone edited them down.