Just in time for OZZFEST MEETS KNOTFEST, Harmonix announced the “Ozzfest meets Knotfest 2016 Pack” featuring tracks from Megadeth, Ozzy Osbourne and Slipknot. The new pack will be coming to the Rock Band™ 4 Music Store this Tuesday, September 20th on both Xbox One and PlayStation®4. OZZFEST and KNOTFEST are two of the biggest heavy ...