Rock Aid Armenia, Various, Rock Aid Armenia, Iron Maiden, Rush, Rainbow, Black Sabbath, Genesis, Yes, Emerson, Lake & Palmer, Whitesnake, Deep Purple

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.