 DJ Vlad and Roc Raida had originally released the third installment of "Rap Phenomenon", but the pair had opted rap/hip-hop and rock music in this mixtape, which includes Eminem vs Rage Against the Machine, Jay-Z vs Red Hot Chili Peppers, Dr. Dre vs Korn, and M.O.P.vs Jimi Hendrix.DJ Vlad had told AllHipHop.com