In this April 14, 2013 file photo, Macklemore, left, and Ryan Lewis, right, perform &quot;Can&#039;t Hold Us&quot; with Ray Dalton at the MTV Movie Awards in Sony Pictures Studio Lot in Culver City, Calif. Macklemore and Ryan Lewis are among the clear favorites as The Recording Academy prepares to unveil its Grammy nominees on Friday, Dec. 6, 2013. A handful will be unveiled during a CBS special, and the rest announced after it airs. Matt Sayles/Invision /AP