How cool is this? A video of Mumford and Sons live at the Red House Pizzeria in Austin, Texas for South by Southwest (SXSW) in March of 2009.

“The Cave” would go on to become a chart-topping hit for the group and become one of their biggest songs on their debut album, Sigh No More.

“The Cave” received four nominations at the 54th Annual Grammy Awards including: Record of the Year, Song of the Year, Best Rock Performance and Best Rock Song.

For comparison, here’s Mumford and Sons performing “The Cave” at the Reading Music Festival in 2010..