theoretical key

== English == === Noun === theoretical key (plural theoretical keys) (music theory) A key signature which has eight or more sharps or seven flats. In music using twelve-tone equal temperament its pitch coincides with its enharmonic, while in most other equal temperament tunings most enharmonic equivalences between key signatures regularly go beyond simple sharps and flats. ==== Translations ==== ==== Further reading ==== theoretical key on Wikipedia.Wikipedia