Tiny Desk Concert with Tweedy on September 8, 2014. Nick Michael/NPR hide caption

itoggle caption Nick Michael/NPR

Jeff Tweedy performs at the 2014 Newport Folk Festival. Adam Kissick for NPR hide caption

itoggle caption Adam Kissick for NPR

Uncle Tupelo at the Sapphire Supper Club in Orlando, Fla. Jeff Tweedy (second from left) went on to form Wilco, while Jay Farrar (second from right) created Son Volt.

Jim Leatherman hide caption

itoggle caption Jim Leatherman