Doc Severinsen, legendary jazz trumpeter and guest artist with the Airmen of Note, the premier jazz ensemble of the U.S. Air Force, performs March 19 with the brass section at the University of Tennessee, Knoxville, Tenn. Doc made a guest appearance for the show, surprising the audience with a performance. The Note traveled through Virginia, Tennessee, Mississippi and Arkansas on its 2011 Spring Tour. (U.S. Air Force photo by Airman 1st Class Tabitha N. Haynes)