Various, The Allman Brothers Band, Wet Willie, The Marshall Tucker Band, Elvin Bishop, Fallenrock, Gregg Allman, Dickey Betts, Duane Allman, Bonnie Bramlett, Grinderswitch, Travis Wammack, Bobby Whitlock, Hydra, Dobie Gray, Percy Sledge, The Allman Brothers Band, Wet Willie, The Marshall Tucker Band, Elvin Bishop, Blue Jug

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.