Spirit Family Reunion. Brian Blauser/Mountain Stage hide caption

itoggle caption Brian Blauser/Mountain Stage

Spirit Family Reunion performs at Tiny Desk concert on Sept. 18. Ryan Smith/NPR hide caption

itoggle caption Ryan Smith/NPR

Spirit Family Reunion performs at NPR's headquarters in Washington, D.C. Tom Bullock/NPR hide caption

itoggle caption Tom Bullock/NPR