Some Random Mashups: Russian Roulette (Can’t ... Rihanna vs. Beyonce James Brown Forgot About Dre L.A. Style vs. Dr. Dre ft. Eminem Do You Really Like Party Rock LMFAO vs. DJ Pied Piper Yeah Breakin’ Out Usher vs. Leki Jimmy Mack’s Sweet Escap... Gwen Stefani ft. Akon vs. Martha and the Vandellas Koopa Castle In My Head Jason Derulo vs. Super Mario Genie In One More Time Britney Spears vs. Christina Aguilera Tik-Down Jay Sean vs. Ke$ha Mashup Mark Morrison vs. Pink Floyd 6′ Something Lil Wayne ft. Cory Gunz vs. Timbaland ft. Drake Black Dans les Back NTM vs. AC/DC Do It Well (Anthem Mash-Up) Jennifer Lopez vs. Zebrahead