Various, Savoy Brown, Thin Lizzy, Buffy Sainte-Marie, Isotope, Principal Edwards Magic Theatre, Atomic Rooster, ZZ Top, Matthews' Southern Comfort, Seventh Wave, Genesis, Chicken Shack, Camel

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.