Yesterday I stumbled across this in an 1812 book of drum beatings: Singlings of Troop or Assembly (p. 6) Doublings of the Troop (p. 7) Singlings and Doublings of the Tattoo (p. 8) Doublings of Troop (p. 31) The Troop and Tattoo are military signals, notifying soldiers what to do. The evidence for pibrochs being used as military calls (Reveille, Troop, […]