Long before he was steering The 400 Unit , singer Jason Isbel l was a member of Drive-By Truckers. And on Tuesday evening’s The Late Show With Stephen Colbert , the collective reunited for a rollicking performance of “Hell No, I Ain’t Happy.” Check out the performance below.

The reunion comes as Drive-By Truckers recently reissued 2003’s Decoration Day . Redubbed The Definitive Decoration Day , the LP is fully remixed (by original producer David Barbe) and remastered (courtesy of Greg Calbi), and comes complete with new live songs taken from a 2002 set at Athens’ Flicker Bar.

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“We have always remained friends with Jason, and honestly he and I are closer now than ever,” frontman Patterson Hood said in a statement for the re-releas

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