Tech. Sgt. Joseph Bello serves as a guest conductor for The U. S. Air Force Band performance at Neuqua Valley High School in Naperville, Ill, April 5, 2014. Bello, a Neuqua Valley graduate, is an euphoniumist and director of Concert Band tours. (U. S. Air Force photo/Airman 1st Class Joshua R. M. Dewberry)