Eminem may be popped out with his latest Rihanna assisted single, but here he takes it back to the essence, going in over “I Got Cha Opin” from Black Moon’s seminal debut Enta Da Stage (get familiar kids). According to Complex the full version will be available to those who purchase Call Of Duty at GameStop. I hope 5ft, Evil Dee, Buckshot, et al. benefit from the royalties. Don’t front, check it out: