A German star who straddles the line between pop and rap, Carlo “Cro” Waibel knows his way with a good visual, as his ubiquitous panda mask attests. Even from behind that disguise, Cro's music videos convey multitudes, whether it's a sense of childhood innocence on the sprightly “Einmal um die Welt,” druggy decadence on “Höhenangst,” or cheeky humor on the funky “Traum.”