Sure, “Vocal A meets Music B” DJ blends are tossed-off gimmicks most of the time, but in those rare moments when the gimmick clicks, the party immediately kicks into another gear. Whether reconfiguring Clipse’s “Wamp Wamp” into cocky, high-stepping disco or putting a fizzy finish on Baby and Lil Wayne, this former turntablist prodigy and current Kanye West tour DJ blends rap and pop a cappellas over electro-house backing tracks so seamlessly that the results feel more like gifts than goofs.