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 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