Jon Stewart hasn't often had live music on The Daily Show, but since he's leaving soon he can do whatever the hell he wants—hence the mini-set  by Glassnote's Mumford & Sons on last night's program. The lads performed "Believe," "The Wolf" and "The Cave" (the latter from their 2009 debut album) and chatted with Stewart about their Gentlemen of the Road festivals ahead of next week's chart-topping bow. Behold!