All of the CSI franchise shows have used songs by The Who as their theme song, creating a nice symmetry between the shows. The original show, CSI, or later CSI: Las Vegas used "Who Are You," and it ...

Smith rapped the sitcom's famous theme song. The "Aladdin" actor already has a new single out, "Light Em Up," with Sean Paul for the new film "Bad Boys: Ride Or Die," in which Smith stars.