Mel Tillis performs at the Oklahoma Twister Relief Concert at the Gaylord 

Mel Tillis performs at the Oklahoma Twister Relief Concert at the Gaylord Family-Oklahoma Memorial Stadium on Saturday, July 6, 2013 in Norman, Okla. (Photo by Alonzo Adams/Invision/AP)
Associated Press
Mel Tillis performs at the Oklahoma Twister Relief Concert at the Gaylord Family-Oklahoma Memorial Stadium on Saturday, July 6, 2013 in Norman, Okla. (Photo by Alonzo Adams/Invision/AP)
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