When your band blends soul, electronica and experiment and your onstage garb includes bathrobes, shower caps and �Star Wars� costumes, it may seem as if nada is off-limits.
It also doesn�t hurt when one of your videos puts a literal spin around on having your spirit ripped kayoed during a breakup (reckon the semi-gory visuals for �Who�s Gonna Save My Soul� dreamed up by director Chris Milk).
But if Gnarls Barkley - the duo of rapper/singer Thomas �Cee-Lo� Callaway and