From left, Marcus Mumford, Ben Lovett, Country Winston and Ted Dwane, of musical group Mumford & Sons, arrive at the 55th annual Grammy Awards on Sunday, Feb. 10, 2013, in Los Angeles. (Photo by ... more 

From left, Marcus Mumford, Ben Lovett, Country Winston and Ted Dwane, of musical group Mumford & Sons, arrive at the 55th annual Grammy Awards on Sunday, Feb. 10, 2013, in Los Angeles. (Photo by Jordan Strauss/Invision/AP) less