John Prine, Steve Martin, Brandi Carlile Join Newport Folk Festival Lineup

John Prine, Steve Martin & the Steep Canyon Rangers, Brandi Carlile and Levon Helm are among the musicians who will perform at the Newport Folk Festival, which will take place July 30-Aug. 1 in Newport, R.I. The lineup also features the Avett Brothers, Andrew Bird, Sam Bush, Justin Townes Earle, Richie Havens, Sarah Jarosz, Tim O’Brien, the Swell Season and Doc Watson & David Holt, among many others. Festival tickets go on sale Friday (March 26).