 Records show that trumpeters were part of the Serbian army of prince Stefan Vojislav, which defeated the Byzantines in the Battle of Bar on the Rumija mountain in 1042.Together with the drummers, they are mentioned being in the armies of prince Lazar Hrebeljanović and his successors, despots Stefan Lazarević and Đurađ Branković in the 14th and 15th century.In all that period, trumpet was only used as a military instrument.