Slayer, co-founded by Hanneman and Kerry King, became one of the "big four" thrash metal groups of the 1980s, along with Anthrax, Megadeth and Metallica.

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"Some people discriminate against somebody else because they are wearing a Slayer T-shirt or have long hair, " said Jay White, 23, referring to the thrash metal band.

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And you've got Anvil -- or, as the group is known to its fans and peers, the demigods of Canadian metal, the godfathers of thrash metal and the fathers of power metal.

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