What was Cee Lo Green thinking when he chose Tina Turner's 'What's Love Got to Do with It?' for Erin Martin and the Shields Brothers to sing together on 'The Voice' last season?! We know it's supposed to be a fight to the finish in the battle rounds, but with her odd voice and their scratchy performance, it didn't even sound like Turner's song. It was strange, like one of those things that makes you so uncomfortable you have to change the channel, and even Adam Levine said it was "weird."