Pictures Mumford & Sons Take On Sold-Out Crowd September 5, 2013 / 11:15 AM CDT / CBS News (credit: CBS) Mumford & Sons At Xcel (credit: CBS) Mumford & Sons At Xcel (credit: CBS) Mumford & Sons At Xcel (credit: CBS) Mumford & Sons At Xcel (credit: CBS) Mumford & Sons At Xcel (credit: CBS) Mumford & Sons At Xcel (credit: CBS) Mumford & Sons At Xcel (credit: CBS) Mumford & Sons At Xcel (credit: CBS) Mumford & Sons At Xcel (credit: CBS) Mumford & Sons At Xcel (credit: CBS) Mumford & Sons At Xcel (credit: CBS) Mumford & Sons At Xcel (credit: CBS) Mumford & Sons At Xcel (credit: CBS) Mumford & Sons At Xcel (credit: CBS) Mumford & Sons At Xcel (credit: CBS) Mumford & Sons At Xcel (credit: CBS) Mumford & Sons At Xcel (credit: CBS) Mumford & Sons At Xcel (credit: CBS) Mumford & Sons At Xcel (credit: CBS) Mumford & Sons At Xcel (credit: CBS) Mumford & Sons At Xcel (credit: CBS) Mumford & Sons At Xcel (credit: CBS) Mumford & Sons At Xcel (credit: CBS) Mumford & Sons At Xcel (credit: CBS) Mumford & Sons At Xcel (credit: CBS) Mumford & Sons At Xcel (credit: CBS) Mumford & Sons At Xcel (credit: CBS) Mumford & Sons At Xcel (credit: CBS) Mumford & Sons At Xcel (credit: CBS)