Clarinetists with the U.S. Air Force’s Concert Band perform during a concert featuring the U.S. Air Force Band’s Concert Band and Singing Sergeants at here at the College of DuPage in Glen Ellyn, Ill, April 4, 2014. The Concert Band is the Band’s largest ensemble which performs a wide variety of repertoire from light classics, popular favorites and instrumental features, to classical works. (U.S. Air Force photo/Master Sgt. Tammie Moore)