Forty-first annual folk fest features performances by Neko Case, Ry Cooder, Rodney Crowell, Wallis Bird and Mick Flannery, Melingo, Wazimbo & Banda Kakana, Archie Roach, Kacy & Clayton, Mariel Buckley, Carole Pope, Gordon Grdina’s Haram and Dawn Pemberton, Skye Wallace, Alex Cuba, Petunia and the Vipers, Art Bergmann, Guy Davis, and James McMurty.