This year is the 20th anniversary of Ozzfest, so they’re bringing it back for one weekend in September . . . and they’re merging it with SLIPKNOT’s Knotfest.  It goes down Saturday, September 24th and Sunday the 25th in San Bernardino, California.BLACK SABBATHwill headline Saturday’s show, with Megadeth and Disturbed on the bill.  Slipknot will headline Sunday, withSlayer and Anthrax.  There will also be a second stage named after the late, great Lemmy from Motorhead. For more click HERE