Quarter tones are musical intervals that are half the size of a semitone, which means they divide the octave into 24 equal parts instead of the standard 12 used in Western music. This microtonal system is essential in various musical traditions of the Middle East, allowing for a richer expression of melodies and harmonies within the framework of maqam theory. By incorporating quarter tones, musicians can create nuanced scales and microtonal variations that give Middle Eastern music its distinctive sound.
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