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 Surakarta bonang panembung. A typical performance ensemble includes a female vocal soloist (pesinden) and male chorus (gerongan); in certain passages, the singers clap rhythmically (keplok). In Yogyakarta, there is a tendency to have more sarons of each register and it is more likely that the bonang panembung will be present. An archaic instrument, the celuring, a set of struck bells is found only on a few gamelan in the Yogyakarta Kraton and is played in place of the saron panerus. The Solonese style is often considered more refined (or "alus") than Yogyanese style. One specific difference is in saron peking playing;