First off, Mark's beats are so innovative. He successfully mixes hip-hop, hiptronica, jazz, r&b, and rock into each song to give it an authentic feel. On top of that, he has incredible artisst sing/rap on top of these beats. Hip-hop: Nappy Roots, Ghostface, Saigon, Mos Def, M.O.P., Freeway, Rhymefest, Q-Tip. R&B: Anthony Hamilton, Nate Dogg, Aya, Tweet, Nikka Costa, Daniel Merriweather, Debi Nova Rock: Rivers Cuomo Dancehall: Sean Paul. This disc can be labeled as either laid back or heard in clubs, it kind of goes both ways.