Marcus Mumford is the Grammy Award-winning singer-songwriter, musician and lead singer of the band Mumford & Sons. The group has released three albums since 2009, two of which topped the Billboard 200 albums chart and the third reached No. 2. Additionally, Mumford also produced the music for the 2013 film Inside Llewyn Davis. He recently teamed up with Major Lazer on the song "Lay Your Head on Me." This marks Mumford’s first-ever feature collaboration.