FILE - In this Tues., Feb. 15, 2011 file photo, Mumford and Sons perform on stage for the Brit Awards 2011 at The O2 Arena in London. Mumford and Sons is among the six nominees with a leading six nods for the 55th annual Grammy Awards, announced Wednesday night, Dec. 5, 2012, at Bridgestone Arena in Nashville, Tenn. (AP Photo/Joel Ryan, File)
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