All the peformers of the Woody Guthrie Centennial Concert including Taylor Hanson, Rosanne Cash, Nora Guthrie, John Mellencamp, Arlo Guthrie, Del McCoury, Tim O'Brien and Hanson perform "This Land is Your Land" at the Brady Theater Saturday March 10, 2012. (AP Photo/Christopher Smith, Tulsa World) ORG XMIT: OKTUL111