Joyce's 71st New York Regiment March
Joyce's 71st N.Y. Regiment March is an American march composed by band director, arranger, and composer Thornton Barnes Boyer (1856–1936) in 1881. Boyer's "most famous" composition, it is a classic of the American parade and concert band march repertoire, and is regularly performed by U.S. military bands today in tours and concerts.
Source: Wikipedia — Joyce's 71st New York Regiment March (CC BY-SA 4.0)