While performing in Nashville, Mumford & Sons surprised fans with a special duet with country star Lainey Wilson.
Ferrell joined the band for a cover of Townes Van Zandt's "If I Needed You," while Wilson stuck around for "Things a Man Oughta Know" and "Awake My Soul" ...
Lainey Wilson fulfills a young fan’s dream by performing “Somewhere Over Laredo” with her at St. Louis concert.