This image released by NBC Universal shows country singer Blake Shelton, right, and Usher during the Healing in the Heartland: Relief Benefit Concert at the Chesapeake Energy Arena in Oklahoma City, Okla., Wednesday, May 29,2013. Funds raised by the benefit will go to the United Way of Central Oklahoma, for recovery efforts for those affected by the May 20 tornado. (AP Photo/NBC, Brett Deering)