A visitor poses for a photo with the U.S. Air Force Concert Band trombonists during a White House Garden Tour Concert in Washington, D.C., April 26, 2015. The free tour has been a tradition since 1972 and occurs two weekends every year. Spectators can view the South Lawn and the gardens of the White House while listening to music. (U.S. Air Force photo/Airman 1st Class Ryan J. Sonnier)