The Singing Sergeants regularly perform wat military and civilian ceremonial and diplomatic functions, education outreach events and local concerts throughout metropolitan Washington, D.C.
Here is a clip from the song, "Sit Down, You're Rocking the Boat" performed by the Singing Sergeants of the U.S. Air Force at National Harbor, Maryland on September 14, 2014

http://www.usafband.af.mil/ensembles/BandEnsembleBio.asp?EnsembleID=63