Visitors to the Smithsonian Institute in Washington D.C were treated to a surprise performance of the U.S. Air Force Band. The flash mob concert took place in “Milestones of Flight” gallery of the National Air and Space Museum. Col. Larry H. Lang conducted the band as they played an original arrangement of “Jesu, Joy of Man’s Desiring/Joy to the World”. If you like this you might also enjoy watching Sabadell Flash Mob Orchestra.