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Encyclopedia > Enharmonic keyboard
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Enharmonic Keyboard The piano is an enharmonic keyboard. Each key of the piano can represent several notes.


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Enharmonic - Wikipedia, the free encyclopedia (555 words)
For example, in twelve-tone equal temperament (the modern system of musical tuning in the west), the notes C sharp and D flat are enharmonically equivalent - that is, they are represented by the same key (on a musical keyboard, for example), and thus are identical in pitch, although they have different names and diatonic functionality.
Thus, G sharp and A flat are not the same note; G sharp is, in fact 41 "cents" lower in pitch (41% of a semitone, not quite a quarter of a tone).
An enharmonic is also one of the three Greek genera in music, in which the tetrachords are divided (descending) as a ditone plus two microtones.
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