Air Force Band performs at White House

Capt. Joseph Hansen, U.S. Air Force Concert Band conductor and flight commander, leads the band during a White House Garden Tour Concert in Washington, D.C., April 26, 2015. Two weekends a year, visitors can listen to music while viewing the South Lawn and the gardens of the White House. (U.S. Air Force photo/Airman 1st Class Ryan J. Sonnier)

The U.S Air Force Concert Band prepares for a White House Garden Tour Concert in Washington, D.C., April 26, 2015. Two weekends a year, visitors can listen to music while viewing the South Lawn and the gardens of the White House. (U.S. Air Force photo/Airman 1st Class Ryan J. Sonnier)

Senior Master Sgt. Brian Sands, U.S. Air Force Concert Band tubist, performs during a White House Garden Tour Concert in Washington, D.C., April 26, 2015. Two weekends a year, visitors can listen to music while viewing the South Lawn and the gardens of the White House. (U.S. Air Force photo/Airman 1st Class Ryan J. Sonnier)

U.S. Air Force Concert Band members perform a musical set during a White House Garden Tour Concert in Washington, D.C., April 26, 2015. Two weekends a year, visitors can listen to music while viewing the South Lawn and the gardens of the White House. (U.S. Air Force photo/Airman 1st Class Ryan J. Sonnier)

Capt. Joseph Hansen, U.S. Air Force Concert Band conductor and flight commander, leads the band during a White House Garden Tour Concert in Washington, D.C., April 26, 2015. Visitors gathered to listen music during a tour of the South Lawn and gardens of the White House.(U.S. Air Force photo/Airman 1st Class Ryan J. Sonnier)

U.S. Air Force Concert Band percussionists play their instruments during a White House Garden Tour Concert in Washington, D.C., April 26, 2015. Two weekends a year, visitors can listen to music while viewing the South Lawn and the gardens of the White House. (U.S. Air Force photo/Airman 1st Class Ryan J. Sonnier)

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)