In this photo, released by the Florida Keys News Bureau, Eric Rolfe, costumed as "Eel-vis Presley" strums on a fake guitar during the Lower Keys Underwater Music Festival Saturday, July 9, 2011, in ... more 
In this photo, released by the Florida Keys News Bureau, Eric Rolfe, costumed as "Eel-vis Presley" strums on a fake guitar during the Lower Keys Underwater Music Festival Saturday, July 9, 2011, in the Florida Keys National Marine Sanctuary near Big Pine Key, Fla. More than 500 divers participated in the underwater concert made possible by a local radio station's four-hour broadcast piped beneath the sea. (AP Photo/Florida Keys News Bureau, Bob Care) less 
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Associated Press | Photo By Florida Keys News Bureau, Bob Care
Mon, Jul 11, 2011 9:26 AM EDT