U.S. Air Force Airman 1st Class Christina Bagley, U.S. Air Force Heritage of America Band vocalist, sings a holiday song during the Holiday Memories in Blue concert at Tabb High School in Yorktown, Va., Dec. 6, 2017. The band performed different styles of music, ranging from holiday classics to newer pop songs. (U.S. Air Force photo by Airman 1st Class Tristan Biese)