American Gamelan Institute for both new and traditional gamelan music, scholarly writings on gamelan, as well as audio and video recordings. Its founder and director is the composer and gamelan musician Jody Diamond. The organization's scope includes gamelan music as practiced in Indonesia as well as around the world. The journal Balungan was started in 1984 to encourage a dialog between artists and scholars involved in gamelan. Current and back issues of "Balungan" are on line, and many libraries have subscriptions. The sixteenth issue was printed in December 2010. The Institute also has a podcast, called "Gongcast" and hosts directories of gamelan groups
Gamelan in present-day Central Java are shown below: Varieties of gamelan are distinguished by their collection of instruments and use of voice, tunings, repertoire, style, and cultural context. In general, no two gamelan ensembles are the same, and those that arose in prestigious courts are often considered to have their own style and tuning. Certain styles may also be shared by nearby ensembles, leading to a regional style. The varieties are generally grouped geographically, with the principal division between the styles favored by the Balinese, Javanese, and Sundanese peoples. The Madurese also had their own style of gamelan, although it is