KiD CuDi may be gone, but Big Sean and Common want to make it known that G.O.O.D. Music is still in good hands, today dropping off a new tune, "Switch Up." The delivery comes just shortly after Sean himself let loose the coinciding artwork for the single, which will be hitting iTunes at midnight. The tag team take is expected to appear on the Detroit rapper's delayed sophomore album. G.O.O.D. Music back? You tell us after streaming "Switch Up" below.