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 Bernard then left home and in Amsterdam heard a group of stranded Javanese sailors play a gamelan at the Colonial Museum (later: Museum of the Tropics). He took lessons with them and soon started his own group with friends from his school in Haarlem. In this he received help from Jaap Kunst who taught him to transcribe the then existing 78 rpm recordings and who allowed him to use the beautiful antique Yogyanese gamelan set in the museum. This became Babar Layar, the first serious gamelan group in the Netherlands. Babar Layar played in Yogyakarta style, after Bernard studied one