How do you compare the musical scale of Indonesia and Thailand?
A. Indonesian music uses dissonant harmony while Thailand music uses polyphonic harmony.
B. Indonesia and Thailand are both using chromatic and octatonic scale on their traditional music.
C. Both Indonesia and Thailand are using pentatonic and heptatonic scale on their traditional music.
D. Indonesian music uses pentatonic scale in some of their music while Thailand music always uses pentatonic scale.