A sheet of music rests on top of a desk inside the U.S. Army Training and Doctrine Command band library at Fort Eustis, Va., Feb. 27, 2013. As part of their daily duties, each band member has an assigned job, such as a library assistant, who categorizes and stores all music performed at concerts and special events. (U.S. Air Force photo by Staff Sgt. Ashley Hawkins/Released)