17,000 islands (most important are java, sumatra, kalimantan, irian jaya, Mostly muslim (many christians in sumatra, and hindus in bali), yet with a. Bali paradise island is best known for tourism, arts & culture. Most music is done in conjunction with dance and/or drama. Prominence of gongs and gong-chime instruments (usually organized into groups. General features of the music of java and bali or orchestras): gamelan. All major genres rely on oral transmission rather than notation, but cipher (number) notation may sometimes be used (for preservation, documentation, etc. ) Often augmented by flutes and a fiddle. An orchestra of keyed metallophones or xylophones, gongs, cymbals, and drums. Keys (or bars) of metal are suspended over a trough or bamboo resonators. A rack (java) or row (bali) of bossed kettle gongs (or nipple gongs) In java, the drummer uses several different sizes. In bali, the drummer uses only one drum, though these are often played in pairs.