Tech. Sgt. Gréta K. Ásgeirsson, U.S. Air Force Band harpist, tunes her instrument before the Guest Artist Series concert at the Rachel M. Schlesinger Concert Hall and Arts Center in Alexandria, Va., Feb. 22, 2018. The series is a community outreach program that honors veterans, active service members and their families. (U.S. Air Force photo by Airman Michael S. Murphy)