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 Sekaten are "Kyai Guntur Madu" and "Kyai Guntur Sari". According to Benjamin Brinner, the "gamelan sekaten", exists in halves: divided between the two rival courts in Surakarta and Yogyakorta, each court had a matching second half made. The pitches of the "Sekaten" ensemble is in "pelog", but lower than standard ensembles today. According to Benjamin Brinner it is the lowest pitched, largest, and loudest ensemble in Java. In recent times the gamelan at ISI Surakarta commissioned a special "Sekaten" set that would be compatible with their other gamelan, to be used in new experimental compositions. Historically, the "Sekaten" ensemble is notable