1. Nas, Roots, Mos Def Bolster Rock The Bells Lineup

    March 26, 2007 12:00 AM EDT Nas has jumped on the board the traveling Rock the Bells festival this summer, where he will share the stage with the Wu-Tang Clan, Rage Against The Machine and others. Nas has jumped on the board the traveling Rock the Bells festival this summer, where he will share the stage with the Wu…