15. Which of the following is TRUE about Merbraphones? A. They produce sound primarily by way of a vibrating stretched membrane tapped by hands or sticks. B. They produce sound primarily by causing a body of air to vibrate because of the air blown inside? C. They produce sound through its vibrating string or strings. D. They produce sound by vibration of its body caused by the way they are played.
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Answer:
A-They produce sound primarily by way of a vibrating stretched membrane tapped by hands or sticks.