found: Schneider, Dick. Taps, 2002.
found: Fuld, James J. Book of world-famous music, 2000:p. 570 (Taps; 1862; generally attributed to Gen. Daniel Butterfield (1831-1901); "the bugle call was not called taps until many years later; no sensible explanation of the new title has been given"; first known printing in Emory Upton, Infantry tactics, 1874, p. 403 under the title Extinguish lights)
found: https://www.va.gov/opa/publications/celebrate/taps.pdf(24 notes that tap deep emotions, by MSG Jari A. Villanueva, USAF: Taps is sounded at funerals, wreath-laying, and memorial services; "Butterfield did not compose Taps but actually revised an earlier bugle call")