Nu Metal “Big Four” Album Sales Compared: Slipknot vs. Korn vs. Deftones vs. System of a Down
When folks utter the phrase “The Big Four,” they’re typically talking about the titans of thrash who ushered in a whole new era of metal in the ’80s: Anthrax, Megadeth, Slayer and, of course, Metallica. But the phrase “Big Four” has since…