Various, Birtha, Three Dog Night, The Grass Roots, Ray Charles, Steely Dan, The Mamas & The Papas, Gladstone, B.B. King, Emitt Rhodes, Steppenwolf, Joe Walsh, Four Tops

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.