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 was the Boston Village Gamelan, now known as Gamelan Laras Tentrem in Massachusetts, and the first Balinese community group was Gamelan Sekar Jaya in California. Other community Balinese gamelan ensembles are Gamelan Mitra Kusuma in Washington, D.C., Gamelan Dharma Swara at the Indonesian Consulate in New York City, Space City Gamelan in Houston, the Lehigh Valley Gamelan in Bethlehem, Pennsylvania, and Gamelan Tunas Mekar in Denver. Gamelan Sari Raras is an active Javanese ensemble in Berkeley, California; the name was given to the group by Widiyanto (aka Midiyanto), and the instruments, brought to the U.S. from Java in 1971, are