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Very suitable for obtaining precise musical pitch, very suitable for any chorus teacher or group performing a cappella singing.
The appearance of the thirteen-tube silencer is disc-shaped, with a rotary mouth-blowing tuning, and an internal copper reed.
Mouth-blowing tuning and tuning. Just put the thirteen-tube tuning device directly in your mouth and blow it. It's easy to sound. The tuning is very simple and the mouthpiece can be rotated.
In addition to tuning and tuning, it can also be used as a good tool for sight singing and ear training. It is simple and practical, compact and portable, and portable with a thirteen tube tuner.
