Guy centre-right goes by the name 20syl, from the hip-hop group Hocus Pocus. He's one of these ridiculously talented multi-instrumentalists, plus rapper!
Here's a video of him making a beat from scratch, using the MPC plus keyboards, guitar & vinyl - fascinating to watch from a slightly nerdy point of view!
http://www.youtube.com/watch?v=9dRWZjXzjJM