In this photo released by the Miami Beach Guitar Festival, guitar maker George Marlin strums on his Big Foot creation at the Miami Beach Guitar Festival Sunday, April 13, 2008, in Miami Beach. The three-day festival that ends Sunday, attracted guitar makers, musicians and guitar collectors from around the United States. According to the National Association of Music Merchandisers, there are 30 million active guitar players in the America, accounting for more than $1.5 billion in guitar sales annually. [Agencies]