Gamelan outside Indonesia gave a new impetus to the performance of gamelan and Javanese dance in the Netherlands. Together with Mr and Mrs Ronosuripto, the Amsterdam Gamelan group played many concerts and performances with Javanese dance and shadow puppetry (wayang kulit). Rien Baartmans, who as a child had been taking lessons from Bernard IJzerdraat, studied wayang and kendhang with Pak Ripto, which very much stimulated his own group Ngesthi Raras in Haarlem. In 1978 the new gamelan society Naga, founded by Rob van Albada, acquired a gamelan from Solo. This gamelan was used by several groups, performing traditional and modern music for gamelan.
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