The band Fun, from left, Jack Antonoff, Andrew Dost and Nate Ruess pose for a photo backstage at the Grammy Nominations Concert Live! at Bridgestone Arena on Wednesday, Dec. 5, 2012, in Nashville, ... more 

The band Fun, from left, Jack Antonoff, Andrew Dost and Nate Ruess pose for a photo backstage at the Grammy Nominations Concert Live! at Bridgestone Arena on Wednesday, Dec. 5, 2012, in Nashville, Tenn. (Photo by Donn Jones/Invision/AP) less