When Johnny Comes Marching Home

"When Johnny Comes Marching Home" (Roud 6673), sometimes "When Johnny Comes Marching Home Again", is a song from the American Civil War that expressed people's longing for the return of their friends and relatives who were fighting in the war. == Origins == Irish-American bandleader Patrick Gilmore wrote the lyrics to "When Johnny Comes Marching Home" during the American Civil War.

Source: Wikipedia — When Johnny Comes Marching Home (CC BY-SA 4.0)