"The Stars and Stripes Forever" was a piece of band music by American composer John Philip Sousa.
Sheet music for the piece was seen on the piano of a jazz musician in a holographic re-creation of the Bourbon Street Barn in the city of New Orleans on Earth. (TNG: "11001001")
When the USS Enterprise-D was experiencing malfunctions due to tampering by nanites in early 2366, "Stars and Stripes Forever" was played on all communications channels. (TNG: "Evolution")