 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.As Serbia was liberated from the Ottomans after the Second Serbian Uprising in 1815, Serbian prince Miloš Obrenović formed the band at his court in Kragujevac.