Various, Saxon, W.A.S.P., Helix, King Kobra, Alcatrazz, Whitesnake, Iron Maiden, Queensrÿche, Tobruk

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.