When Johnny Comes Marching Home is a patriotic song that was composed by Patrick Sarsfield Gilmore during the American Civil War.

The song features a memorable melody and lyrics that celebrate the return of soldiers to their homes and loved ones. The song became popular during the war and has since been used in various contexts to represent American patriotism and honor military service.

Flute players can use this piece to showcase their ability to convey emotion and tell stories through music. Performing When Johnny Comes Marching Home is fitting for patriotic events, Fourth of July celebrations, or any performances that aim to honor and recognize military service.