The Old Guard Fife and Drum Corps is the only musical unit of its kind in the United States military. Because it is charged to represent the musical history of the Army, the Corps extensively researches all of its music, and much of what it performs is arranged from original sources dating as far back as the 17th century. The Corps uses arranging techniques and styles of the 18th century to promote the maost authentic performance possible. The uniforms worn by the Corps are designed from regulations of the Continental Army and represent what fifers, drummers and buglers would have worn during the 18th century. The Old Guard Fife and Drum Corps is a special ceremonial unit in The Old Guard, the ceremonial escort to the President. In addition to ceremonies, the Corps performs traditional fife and drum music throughout the National Capital Region, including performances for visiting heads of state at the White House.