Gamelan slower, more meditative quality than the gamelan music of Bali. Javanese gamelan can be made from iron or brass; instruments made of cast bronze are considered the best quality. Outside the main core on Java and Bali, gamelan has spread through migration and cultural interest, new styles sometimes resulting as well. Malay Gamelan comes from the Javanese tradition through Riau-Lingga which later formed its own distinct identity, using fewer instruments tuned in a near-equidistant "slendro", and often using a western B or C as a tuning basis. Javanese emigrants to Suriname play gamelan in a style close to that found
Gamelan outside Indonesia instruction by a community arts organization, which gave its first performance in May 1978. The organization incorporated in 1980 as Friends of the Gamelan and continues to perform with two central Javanese gamelan sets that it has acquired. Many schools, universities and other institutions in North America own sets of gamelan instruments. These gamelans are typically played by mixed-gender groups of students, a practice that is rare in Indonesia for religious reasons. Among the earliest such groups were Wesleyan University and UCLA. Established institutional gamelan ensembles in the U.S. include Gamelan Nyai Saraswati at University of North Carolina at Chapel