theoretical key

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English[edit]

Noun[edit]

theoretical key (plural theoretical keys)

  1. (music theory) a key with key signature which exceeds 7 sharps or 7 flats. In music using equal temperament its pitch coincides with its enharmonic
    G-sharp major is a theoretical key with 8 sharps; it is enharmonic to A-flat major.
    The scale F-flat major is a theoretical key with 8 flats; it is enharmonic to E major.

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