Mumford & Sons, The Black Keys, Jay-z and Gotye win big at the 2013 Grammys

Los Angeles (AP) — Mumford & Sons wrapped up a completely unpredictable Grammy Awards with perhaps the most surprising win of the night, taking home album of the year for "Babel." It was an event that even shocked the London folk-rockers. "We figured we weren't going to win anything because The Black Keys have been sweeping up all day, rightfully so," Marcus Mumfordsaid. Dan Auerbach of The Black Keys ended up the night's top winner with four trophies, including producer of the year and three rock category victories with bandmate Patrick Carney. But it was hardly a clean sweep as »