Which song concludes all parades and ceremonies?

The song that concludes all parades and ceremonies is "The Star-Spangled Banner," the national anthem of the United States of America. Played both before and after any patriotic or ceremonial event, it signifies respect and reverence for the nation. The song originated as a poem written in 1814 by Francis Scott Key during the War of 1812. It was set to music and officially designated as the national anthem of the United States by an Act of Congress on March 3, 1931.