Various, Davy Graham, John Mayall & The Bluesbreakers, Them, Van Morrison, Rod Stewart, John Mayall, Steve Anglo, Savoy Brown, John Mayall & The Bluesbreakers, The Keef Hartley Band, John Mayall & The Bluesbreakers

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.