As mentioned recently, the jury’s still out on the staying power of Mumford & Sons. On Saturday, the Mumfords (and Flogging Molly) played an energetic (will always grant them that) five-song set on Austin City Limits. Below is a 20-minute portion, with the entire episode available on PBS HERE.

Watch Mumford & Sons / Flogging Molly on PBS. See more from Austin City Limits.