ā Plato
ā Yo-Yo Maa
It is exact and demands exact acoustics.
It is rhythmically based on the subdivision of time into fractions, which must be done instantaneously.
Music usually reflects the environment and times of its creation, often even the country and/or racial feeling.
It requires coordination of fingers, hands, arms, lip, cheek, facial muscles, back, stomach, and chest muscles, which respond instantly to the sound the ear hears and the mind interprets.
It allows a person to take all these technical methods and use them to create infinite emotions.