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San Francisco, California

Formed in 1985, Bay Area band Insanity were instrumental in metal's evolution from thrash to death metal. Not only did they crank thrash up to frenzied warp speeds, they also displayed chops well ahead of their time. Insanity were legendary worldwide in the '80s metal tape trading circuit, with members of Carcass and Napalm Death citing them as an influence.
~ Cosmo Lee, All Music Guide