Bob Dylan with Mumford & Sons and The Avett Brothers Grammy Awards 2011 Video

This group of performers was introduced by David Letterman himself. Everyone enjoyed the latter's appearance.

In this guest appearance, each participant performed a different song. Bob Dylan sang “Maggie’s Farm,” while Mumford & Sons did “The Cave.” On the other hand, The Avett Brothers sang “Head Full Of Doubt, Road Full Of Promises.” Failed to watch this performance?

Watch Bob Dylan with Mumford & Sons and The Avett Brothers Grammy Awards 2011 Video

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