[WATCH] Mumford and Sons 'Legends on Letterman' Set

As David Letterman is winding down his time on CBS' Late Show, he's calling in some heavy-hitting names to help him say goodbye. And a couple of days ago he had Mumford and Sons feature on his Legends on Letterman special to not only perform a 45-minute set, but also somewhat "launch" their newest album Wilder Mind. And unsurprisingly, it was wonderful... Read More »