Gamelan outside Indonesia Seni Tari Indonesia di Nederland ) plays Javanese Traditional Karawitan dan Dance. The Polish band - Warsaw Gamelan Group - is perhaps the only band in this part of Europe that plays Indonesian music. WGG specialises in music from central Java. There are two Javanese gamelans in Portugal, one in Lisbon, at Fundação do Oriente and another in Oporto at Casa da Música. Besides being used for traditional Javanese music, the gamelan at Casa da Musica has been at the centre of very innovative projects, including the development of a Robotic Gamelan. Inspired by the ideas of gamelan collective practice,
Gamelan gamelan styles of Bali, Java, and Sunda resulted from different ways of mixing these elements. Thus, despite the seeming diversity of styles, many of the same theoretical concepts, instruments, and techniques are shared between the styles. A gamelan is a multi-timbre ensemble consisting of metallophones, xylophones, flutes, gongs, voices, as well as bowed and plucked strings. The hand-played drum called "kendhang" controls the tempo and rhythm of pieces as well as transitions from one section to another, while one instrument gives melodic cues to indicate treatment or sections of a piece. Some of the instruments that make up a gamelan