A
bugle call is a short
tune, originating as a military
signal announcing scheduled and certain non-scheduled events on a military installation, battlefield, or ship. Historically,
bugles, drums, and other loud
musical instruments were used for clear communication in the noise and confusion of a battlefield. Naval bugle calls were also used to command the crew of many warships (signaling between ships being by
flaghoist,
semaphore,
signal lamp or other means).