Capt. Scott McKenzie, United States Army Training and Doctrine Command band commander, leads spectators in the singing of the Star Spangled Banner during a concert that combined performances of both the TRADOC band and the United States Air Force Heritage of America band for spectators at Constitution Day in Colonial Williamsburg, Va., Sept. 18, 2011. This was the first time both bands played together for Constitution Day. (United States Air Force photo by Staff Sgt. Jeff Nevison/Released)