FILE - In this Oct. 2, 2010, file photo, Dave Matthews performs during the 25th anniversary Farm Aid concert in Milwaukee. The annual Farm Aid benefit concert is coming to Hershey, Pa., in September 2012 as the country's small and medium-size farms face a shifting economic landscape, but board member Dave Matthews sees some hopeful signs in the uncertainty. Matthews, who will perform at the Hersheypark show on Sept. 22 with longtime collaborator Tim Reynolds, sees demand growing for the types of farm products produced by smaller operations. (AP Photo/Jeffrey Phelps, File)
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