Billy Bragg performs on Mountain Stage. Brian Blauser/Mountain Stage hide caption

itoggle caption Brian Blauser/Mountain Stage

Billy Bragg. Courtesy of the artist hide caption

itoggle caption Courtesy of the artist

tUnE-yArDs is one of the artists performing at this year's Newport Folk Festival. fjludo via Flickr hide caption

itoggle caption fjludo via Flickr

Billy Bragg performs at the Jail Guitar Doors USA launch party, held on the night after the visit to Travis County Correctional Complex. Shantel Mitchell for NPR hide caption

itoggle caption Shantel Mitchell for NPR