Much like, but with a lot less effort than, my radiohead remix album http://thepiratebay.ee/tor/3906325/Hippomothamus_-_Rhyming_In_Rainbows_(radiohead_remix_album).

This album features each track on the ting tings album "we started nothing" mashed with a bunch of rap acapellas.

Beastie Boys - Ch-Check It Out + Great DJ
Eminem - Cleanin' Out My Closet + Thats Not My Name
Kanye West, Mos Def, Freeway - Two Words + Fruit Machine
Larry Lessig + Traffic Lights (Interlude)
Common - Go + Shut Up And Let Me Go
Common - The Corner + Keep Your Head
Dead Prez - It's Bigger Than Hip-Hop + Be The One
Blackalicious - Make You Feel That Way + We Walk
Gym Class Heroes - Clothes Off + Impacilla Carpisung
Beastie Boys - All Lifestyles + We Started Nothing