Answer:
An aerophone is any musical instrument that produces sound primarily by causing a body of air to vibrate without the use of strings or membranes and without the vibration of the instrument itself adding considerably to the sound. An idiophone is any musical instrument that creates sound primarily by the vibration of the instrument itself, without the use of air flow (as with aerophones), strings (chordophones), membranes (membranophones) or electricity (electrophones).
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