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 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