Various, No Artist, Judas Priest, No Artist, No Artist, No Artist, Twisted Sister, Panther, Montrose, No Artist, No Artist, No Artist, No Artist, No Artist, AC/DC, Samson, Accept, Loudness, Loudness, No Artist, No Artist, No Artist, Van Halen, No Artist, No Artist

Seattle Grunge

Heavy riffs played by people raised on punk, recorded cheap in the Pacific Northwest and then sold worldwide.

Detroit Proto-Punk

Pull this thread and you get Michigan guitar noise from 1969 ballrooms to 1999 basements, unbroken.