Singing bowls… are a type of bell, specifically classified as a standing bell. Rather than hanging inverted or attached to a handle, singing bowls sit with the bottom surface resting. The sides and rim of singing bowls vibrate to produce sound characterized by a fundamental frequency (first harmonic) and usually two audible harmonic overtones (second and third harmonic).
You can also watch this Tibetan Bowl Master both strike and rub the outsides of the bowls for different sounds.
There are more bells ringing in the archives. Related watching and listening: Glass Harps.
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