Members of the musical group Mumford &amp; Sons, from left, Ted Dwane, Marcus Mumford, Ben Lovett and Winston Marshall, pose backstage with the best long form music video award for &quot;Big Easy Express&quot; and the album of the year award for &quot;Babel&quot; at the 55th annual Grammy Awards on Sunday, Feb. 10, 2013, in Los Angeles. (Photo by Matt Sayles/Invision/AP)