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 Council counsel). These two terms capture the Gamelan Council’s goal of harmoniously unifying the arrays of forces and ideas affecting the areas on which the Gamelan Council focuses its efforts. The Gamelan Council operates predominantly in 73 states and territories on, near, and around the Pacific Rim, including every jurisdiction with a coastline on the Pacific Ocean and several other, significant population centres adjacent to or closely linked to the Pacific Rim (e.g., India, Nepal, and Pakistan). In 2010, the Gamelan Council also commenced pilot projects in both (a) Central Asia (i.e., Kazakhstan, Kyrgyzstan, Tajikistan, and Uzbekistan) and (b) South America