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: "Jack" can refer to a common male given name, or it can also be used to describe various objects or devices. For example, a "jack" can be a mechanical device used for lifting heavy objects or a playing card with a specific rank in a deck of cards.
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