Extended meantone notation: Difference between revisions

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Meantone can be notated with a [[chain of fifths]] consisting of the 7 natural notes along with sharps and flats:
[[Meantone]] can be notated with a [[chain of fifths]] consisting of the 7 natural notes along with sharps and flats:


... {{dash|F𝄫, C𝄫, G𝄫, D𝄫, A𝄫, E𝄫, B𝄫, F♭, C♭, G♭, D♭, A♭, E♭, B♭, F, C, G, D, A, E, B, F♯, C♯, G♯, D♯, A♯, E♯, B♯, F𝄪, C𝄪, G𝄪, D𝄪, A𝄪, E𝄪, B𝄪|hair|long}} ...
... {{dash|F𝄫, C𝄫, G𝄫, D𝄫, A𝄫, E𝄫, B𝄫, F♭, C♭, G♭, D♭, A♭, E♭, B♭, F, C, G, D, A, E, B, F♯, C♯, G♯, D♯, A♯, E♯, B♯, F𝄪, C𝄪, G𝄪, D𝄪, A𝄪, E𝄪, B𝄪|hair|long}} ...


The chain is theoretically infinite, and C♯ and D♭ are not equivalent. When meantone is extended beyond 12 notes, it may require double-sharps, double-flats and beyond. To avoid this, two new accidental pairs are introduced that raise/lower by the [[diesis]] and the [[kleisma]].
The chain is theoretically infinite, and C♯ and D♭ are not (in general) equivalent. When meantone is extended beyond 12 notes, it may require double-sharps, double-flats, and beyond. To avoid this, two new accidental pairs are introduced that raise/lower by the [[diesis]] and the [[kleisma]].
 
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