Categories: Music Theory

1. In a harpsichord, clavichord, or virginal, the jack is the device attaching the plectrum to the key, enabling the depression of the key to cause the plectrum to pluck the string. 2. In a piano, the jack is the pivoted, vertical lever that causes the hammer to rise when a key is depressed.

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Jack
Definition of "Jack" by Chat GPT: The term "jack" can have various meanings depending on the context. It can refer to a mechanical device used to lift heavy objects, a playing card with a picture of a man's head, a common name for men, or a socket used to connect electrical devices.
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