Mumford & Sons is a British folk-rock band formed in London in 2007. Known for their energetic sound blending folk, bluegrass, and rock, the band rose to fame with their debut album Sigh No More (2009), featuring hits like "Little Lion Man." Their follow-up albums, Babel (2012) and Wilder Mind (2015), further cemented their popularity. The band is recognized for its passionate live performances and deep, introspective lyrics.