This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
The music of the Southeast Asian has been present since 2nd-3rd century B.C. Most of the instruments are percussive. The songs from the Southeast Asia commonly use pentatonic (meaning 5-tone) scales or heptatonic (meaning 7-tone) scales.

That's my answer :)))
1 5 1