Aaron Diehl, classical and jazz pianist, plays a piano solo during the U.S. Air Force Band’s Guest Concert Series at the Rachel M. Schlesinger Concert Hall and Arts Center in Alexandria, Va., Jan. 23, 2020. Diehl is a graduate of The Juilliard School and has been performing for over 15 years. (U.S. Air Force photo by Airman 1st Class Spencer Slocum)