Various, Bad Company, Van Halen, Stoneground, George Benson, Elvis Costello & The Attractions, The Doobie Brothers, England Dan & John Ford Coley, George Harrison, Emmylou Harris, Firefall, Various, Various

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.