Answer:
Cambodia-Pinpeat
Pinpeat (Khmer: ពិណពាទ្យ) is the largest Khmer traditional musical ensemble. It has performed the ceremonial music of the royal courts and temples of Cambodia since ancient times.
Indionesia-Gamelan
Gamelan is an instrumental ensemble including metallophones, xylophones, drums gongs, bamboo flutes, and plucked strings. In Indonesia, gamelan usually accompanies dance wayang puppet performances, such as the 3.14 Company's 2001 Wayang Tempest production, rituals, or ceremonies.
Thailand-Basically, three major ensembles dominate the music of Thailand: The Piphat, the Mahori and the Khrüang sai. (all instruments paired) or "yai" (large ensemble with 13 instruments, called "mai khaeng" if played with hard mallets and "mai nuam" if played with soft mallets).
Explanation:
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