More than a decade after their genre-blending Licensed to Ill (which added rock guitar riffs and frat-boy humor to hip-hop), the trio still delivers their lyrics in a Run-D.M.C. pass-the-mic style. Their backing tracks, however, have progressed through the sample-a-rama of Paul's Boutique to the mostly organic Check Your Head and Ill Communication, and onto the turntablist-incorporating Hello Nasty. As the boys who helped usher rap into the mainstr...  [+]