This joining of original recordings with vocals from today's chart-topping superstars brings a contemporary, urban edge to the tracks. The guests on the album are Steven Tyler and Joe Perry, Guru, Erykah Badu, Krayzie Bone, Rakim, Busta Rhymes & Flipmode Squad, Lost Boyz featuring Mr. Cheeks, Lauryn Hill, MC Lyte, the Marley Brothers and the Ghetto Youths Crew, Chuck D, and the Roots featuring Black Thoughts.