Mumford & Sons (from left: Ben Lovett, Marcus Mumford, Ted Dwane and Winston Marshall) accept the award for album of the year at the Grammy Awards on Sunday night. Kevork Djansezian/Getty Images hide caption

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Mumford & Sons is led by singer Marcus Mumford (second from left). The band's second album, Babel, was released on Sept. 25 and is on pace to be the highest-selling debut of 2012. Courtesy of the artist hide caption

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Clockwise from left: Donovan, Laura Marling, Richard Thompson, Mumford & Sons.

Andee Nathonson/Pamela Littky/Courtesy of the artists hide caption

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British rock act Mumford and Sons kicked off Saturday's shows in the "That" tent at the bonnaroo Music and Arts Festival in Manchester, Tenn., on June 12, 2010. Laura Fedele hide caption

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Mumford and Sons' rich harmonies and infectious melodies bring to mind Crosby, Stills and Nash. courtesy of the artist hide caption

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