Mumford & Sons performs at Red Rocks on Aug. 28, 2012

Visit the CBS4 Concert Connection section for upcoming concert listings. (credit: Michael Martin Photography/AEG Live)

Mumford & Sons performs at Red Rocks on Aug. 28, 2012

Visit the CBS4 Concert Connection section for upcoming concert listings. (credit: Michael Martin Photography/AEG Live)

Mumford & Sons performs at Red Rocks on Aug. 28, 2012

Visit the CBS4 Concert Connection section for upcoming concert listings. (credit: Michael Martin Photography/AEG Live)

Mumford & Sons performs at Red Rocks on Aug. 28, 2012

Visit the CBS4 Concert Connection section for upcoming concert listings. (credit: Michael Martin Photography/AEG Live)

Mumford & Sons performs at Red Rocks on Aug. 28, 2012

Visit the CBS4 Concert Connection section for upcoming concert listings. (credit: Michael Martin Photography/AEG Live)

Mumford & Sons performs at Red Rocks on Aug. 28, 2012

Visit the CBS4 Concert Connection section for upcoming concert listings. (credit: Michael Martin Photography/AEG Live)

Mumford & Sons performs at Red Rocks on Aug. 28, 2012

Visit the CBS4 Concert Connection section for upcoming concert listings. (credit: Michael Martin Photography/AEG Live)

Mumford & Sons performs at Red Rocks on Aug. 28, 2012

Visit the CBS4 Concert Connection section for upcoming concert listings. (credit: Michael Martin Photography/AEG Live)

Mumford & Sons performs at Red Rocks on Aug. 28, 2012

Visit the CBS4 Concert Connection section for upcoming concert listings. (credit: Michael Martin Photography/AEG Live)

Mumford & Sons performs at Red Rocks on Aug. 28, 2012

Visit the CBS4 Concert Connection section for upcoming concert listings. (credit: Michael Martin Photography/AEG Live)

Mumford & Sons performs at Red Rocks on Aug. 28, 2012

Visit the CBS4 Concert Connection section for upcoming concert listings. (credit: Michael Martin Photography/AEG Live)

Mumford & Sons performs at Red Rocks on Aug. 28, 2012

Visit the CBS4 Concert Connection section for upcoming concert listings. (credit: Michael Martin Photography/AEG Live)

Mumford & Sons performs at Red Rocks on Aug. 28, 2012

Visit the CBS4 Concert Connection section for upcoming concert listings. (credit: Michael Martin Photography/AEG Live)

Mumford & Sons performs at Red Rocks on Aug. 28, 2012

Visit the CBS4 Concert Connection section for upcoming concert listings. (credit: Michael Martin Photography/AEG Live)

Mumford & Sons performs at Red Rocks on Aug. 28, 2012

Visit the CBS4 Concert Connection section for upcoming concert listings. (credit: Michael Martin Photography/AEG Live)

Mumford & Sons performs at Red Rocks on Aug. 28, 2012

Visit the CBS4 Concert Connection section for upcoming concert listings. (credit: Michael Martin Photography/AEG Live)

Mumford & Sons performs at Red Rocks on Aug. 28, 2012

Visit the CBS4 Concert Connection section for upcoming concert listings. (credit: Michael Martin Photography/AEG Live)

Mumford & Sons performs at Red Rocks on Aug. 28, 2012

Visit the CBS4 Concert Connection section for upcoming concert listings. (credit: Michael Martin Photography/AEG Live)

Mumford & Sons performs at Red Rocks on Aug. 28, 2012

Visit the CBS4 Concert Connection section for upcoming concert listings. (credit: Michael Martin Photography/AEG Live)

Mumford & Sons performs at Red Rocks on Aug. 28, 2012

Visit the CBS4 Concert Connection section for upcoming concert listings. (credit: Michael Martin Photography/AEG Live)

Mumford & Sons performs at Red Rocks on Aug. 28, 2012

Visit the CBS4 Concert Connection section for upcoming concert listings. (credit: Michael Martin Photography/AEG Live)

Mumford & Sons performs at Red Rocks on Aug. 28, 2012

Visit the CBS4 Concert Connection section for upcoming concert listings. (credit: Michael Martin Photography/AEG Live)

Mumford & Sons performs at Red Rocks on Aug. 28, 2012

Visit the CBS4 Concert Connection section for upcoming concert listings. (credit: Michael Martin Photography/AEG Live)

Mumford & Sons performs at Red Rocks on Aug. 28, 2012

Visit the CBS4 Concert Connection section for upcoming concert listings. (credit: Michael Martin Photography/AEG Live)