Gamelan construction of musical instruments, as well as scheduling performances at the court. In the palaces of Java the oldest known ensembles, Gamelan "Munggang" and "Gamelan Kodok Ngorek", are apparently from the 12th century. These formed the basis of a "loud style" of music. In contrast, a "soft style" developed out of the "kemanak" tradition and is related to the traditions of singing Javanese poetry, in a manner often believed to be similar to the chorus that accompanies the modern "bedhaya" dance. In the 17th century, these loud and soft styles mixed, and to a large extent the variety of modern
Gamelan Surakarta although the pattern it plays for the balungan is often the same, in the Yogyanese style it is rhythmically shifted earlier, creating a different emphasis in relation to the balungan. Gamelan Surakarta A typical large, double gamelan in contemporary Solo (Surakarta) will include, in the sléndro set, one saron panerus (or saron peking), two saron barung, one or two saron demung, one gendér panerus, one gender barung, one slenthem (or "gender panembung"), one bonang panerus and one bonang barung (each with twelve gongs), one gambang kayu, one siter or celempung, one rebab, one suling, one pair of kethuk and kempyang,