Gamelan with male groups. In the twenty-five countries outside Indonesia that have gamelan, music performed in a concert context or as part of ceremonies for expat communities may also accompany dance or "wayang". The tuning and construction of a gamelan orchestra is a complex process. Javanese gamelan use two tuning systems: "sléndro" and "pélog". There are other tuning systems such as "degung" (exclusive to Sunda, or West Java), and "madenda" (also known as "diatonis", similar to a European natural minor scale). In central Javanese gamelan, "sléndro" is a system with five notes to the octave, with large intervals, while "pélog" has
Gamelan outside Indonesia 2011. The first regular gamelan orchestra in Dublin was established in University College Dublin in October 2012, directed by Peter Moran. This is a Solonese set of instruments, originally owned privately by Niamh Tiernan. In April 2013, the National Concert Hall announced that Peter Moran was to establish a second gamelan orchestra in Dublin, with newly built instruments presented as a gift from Sultan Hamengkubuwono X of Yogyakarta, to be housed permanently in the National Concert Hall. Gamelan outside Indonesia Gamelan, although Indonesian in origin, is found outside of that country. There are forms of gamelan that have developed outside