1.MumfordSons are a British mumford and sons folk rock band formed in London in 2007. 2 The band consists of Marcus Mumford lead vocals, electric guitar, acoustic guitar, drums, Ted Dwane vocals, bass guitar, double bass, and Ben Lovett vocals, keyboards, piano. MumfordSons have released four studio albums: Sigh No More 2009, Babel 2012, Wilder