Technically, Yogyakarta sultanate founded in 18th century, so this march is just a reminisce of soldier in Napoleonic era, but with Javanese touches. Nice video
There are 10 Bregada soldiers in the Yogyakarta Palace, namely: Wirobrojo, Daeng, Patangpuluh, Jogokaryo, Keborne, Prawirotomo, Mantrijero, Surokarso, Nyutro and Bugis