FILE - This May 19, 2013 file photo shows directors Ethan Coen, left, and Joel Coen during a photo call for the film Inside Llewyn Davis at the 66th international film festival, in Cannes, southern ... more 
FILE - This May 19, 2013 file photo shows directors Ethan Coen, left, and Joel Coen during a photo call for the film Inside Llewyn Davis at the 66th international film festival, in Cannes, southern France. The Coen brothers and T Bone Burnett will celebrate the folk music of their 1960s Greenwich Village comic drama “Inside Llewyn Davis” with a concert in New York. The filmmakers announced Monday, Aug. 19, that they will host a concert Sept. 29 at New York’s Town Hall. Performing will be Joan Baez, Marcus Mumford, Patti Smith, Jack White, Colin Meloy and others. (Photo by Joel Ryan/Invision/AP, File) less 
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Associated Press
Mon, Aug 19, 2013 3:58 PM EDT