Talent Show: Keith Urban, Miranda Lambert, Florida Georgia Line, Lady Antebellum, Rascal Flatts and Backstreet Boys are among the more than 100 artists participating in Westwood One Backstage at the ACM Awards. More than 30 stations/outlets are committed and brand partner activations include Ace Hardware, Advance Auto Parts, Dynamic Solutions, Grainger, Outnumber Hunger and Ply Gem.