THE MIX-UPWith six highly celebrated official hip hop albums under their belts, Adam Horowitz, Adam Yauch, and Michael Diamond have little left to prove to rap fans, except perhaps that they can still rock their instruments like they once did. With this in mind, THE MIX UP brings listeners a full length, jazz funk jam band exercise in a similar vein to the 1996 release, THE IN SOUND FROM WAY OUT, or the instrumental cuts on ILL COMMUNICATION. None of the