Tech. Sgt. Joseph M. Bello performs during a concert featuring the U.S. Air Force Band’s Concert Band and the Singing Sergeants at the College of DuPage in Glen Ellyn, Ill., April 4, 2014. In addition to his performance duties as an euphoniumist, Bello is the director of Concert Band tours.(U.S. Air Force photo/Master Sgt. Tammie Moore)