Taps (“Butterfield’s Lullaby”), sometimes known by the lyrics of its second verse, “Day is Done,” is a famous musical piece, played in the U.S. military during flag ceremonies and funerals, generally on bugle or trumpet. The tune is also used at night to signal “lights out”.
The bugle call was composed by the Union Army Brigadier General Daniel Butterfield, an American Civil War general who commanded the 3rd Brigade of the 1st Division in the V Army Corps of the Army of the Potomac. Butterfield wrote the tune at Harrison’s Landing, Virginia, in July 1862. Taps also replaced “Tattoo”, the French bugle call to signal “lights out”.
Butterfield’s bugler, Oliver W. Norton, of Chicago, was the first to sound the new call. Within months, Taps was used by both Union and Confederate forces. The tune is also believed to be a variation of an earlier bugle call known as the Scott Tattoo, which was used in the United States from 1835 until 1860.