Last night, Beats Music held the launch party for their new streaming service. The night featured performances from Eminem, Dr. Dre, Nas, Diddy & Ma$e, Redman & Method Man, Ice Cube, Geto Boys, Cypress Hill, Bone Thugs-N-Harmony, and others. The party also had guests such as Queen Latifah, Jay Electronica, Macklemore, Drake, and Paul McCartney. Em had a three song that included "Lose Yourself."

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