Jason Isbell can be a real goofball. You might not realize it, given the serious, probing nature of his songwriting. But the Grammy winner's sense of humor was on full display on the latest episode of NPR's Tiny Desk Concert series, where he and his band, the 400 Unit, showed up to play a few songs off their new LP, The Nashville Sound.

The ensemble's trio of songs – "Chaos

This article originally appeared on www.rollingstone.com: See Jason Isbell's Stirring Acoustic 'Chaos and Clothes'

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