It’s GRAMMY weekend and to celebrate the launch of their new music streaming service, Dr. Dre and company headed to Belasco Theater in L.A. for a massive party. Dr. Dre, Diddy and MaseNasRedman and Method ManIce CubeGeto BoysCypress HillBusta Rhymes and Bone Thugz-N-Harmony were among those who performed before one last final surprise. The Rap God Eminem took to the stage for action an filled set of MMLP2 cuts and classic records. Here we have footage of him performing “Lose Yourself.”