57edo: Difference between revisions
Cmloegcmluin (talk | contribs) add Notation section, and Sagittal notation |
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{{Infobox ET}} | {{Infobox ET}} | ||
{{ | {{ED intro}} | ||
== Theory == | == Theory == | ||
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== Intervals == | == Intervals == | ||
{| class="wikitable center-1 right-2 center-3 center-4" | {| class="wikitable center-1 right-2 center-3 center-4" | ||
|- | |- | ||
! # | ! # | ||
! [[Cent]]s | ! [[Cent]]s | ||
! [[Ups and downs notation|Ups and | ! [[Ups and downs notation|Ups and downs notation]]<br>(Flat Fifth 11\19) | ||
! [[Ups and downs notation|Ups and | ! [[Ups and downs notation|Ups and downs notation]]<br>(Sharp Fifth 34\57) | ||
|- | |- | ||
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== Notation == | == Notation == | ||
=== Ups and downs notation === | |||
Spoken as up, downsharp, sharp, upsharp, etc. Note that downsharp can be respelled as dup (double-up), and upflat as dud. | |||
{{sharpness-sharp3a}} | |||
Using [[Helmholtz–Ellis]] accidentals, 57edo can also be notated using [[Alternative symbols for ups and downs notation#Sharp-3|alternative ups and downs]]: | |||
{{Sharpness-sharp3}} | |||
Here, a sharp raises by three steps, and a flat lowers by three steps, so arrows can be used to fill in the gap. If the arrows are taken to have their own layer of enharmonic spellings, some notes may be best spelled with double arrows. | |||
=== Sagittal notation === | |||
This notation uses the same sagittal sequence as EDOs [[50edo#Sagittal notation|50]], [[64edo#Sagittal notation|64]], and [[71edo#Sagittal notation|71b]], and is a superset of the notation for [[19edo#Sagittal notation|19-EDO]]. | This notation uses the same sagittal sequence as EDOs [[50edo#Sagittal notation|50]], [[64edo#Sagittal notation|64]], and [[71edo#Sagittal notation|71b]], and is a superset of the notation for [[19edo#Sagittal notation|19-EDO]]. | ||
==== Evo flavor ==== | |||
<imagemap> | <imagemap> | ||
File:57-EDO_Evo_Sagittal.svg | File:57-EDO_Evo_Sagittal.svg | ||
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</imagemap> | </imagemap> | ||
====Revo flavor==== | ==== Revo flavor ==== | ||
<imagemap> | <imagemap> | ||
File:57-EDO_Revo_Sagittal.svg | File:57-EDO_Revo_Sagittal.svg | ||
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default [[File:57-EDO_Revo_Sagittal.svg]] | default [[File:57-EDO_Revo_Sagittal.svg]] | ||
</imagemap> | </imagemap> | ||
In the diagrams above, a sagittal symbol followed by an equals sign (=) means that the following comma is the symbol's [[Sagittal notation#Primary comma|primary comma]] (the comma it ''exactly'' represents in JI), while an approximately equals sign (≈) means it is a secondary comma (a comma it ''approximately'' represents in JI). In both cases the symbol exactly represents the tempered version of the comma in this EDO. | |||
== Scales == | == Scales == | ||
* 2 1 2 1 2 1 2 1 2 1 1 2 1 2 1 2 1 2 1 2 1 1 2 1 2 1 2 1 2 1 2 1 1 - 3mos of type 18L 21s (augene) | |||
* 2 1 2 1 2 1 2 1 2 1 1 2 1 2 1 2 1 2 1 2 1 1 2 1 2 1 2 1 2 1 2 1 1 - 3mos of type 18L 21s (augene) | |||
[[Category:Heinz]] | [[Category:Heinz]] | ||
[[Category:Mothra]] | [[Category:Mothra]] | ||
{{todo|add rank 2 temperaments table | {{todo|add rank 2 temperaments table}} | ||
== Instruments == | |||
Since 57edo contains [[19edo]] as a non-trivial subset, it would be possible to use three 19edo instruments tuned 1\57 apart from each other to play the full gamut of 57edo. | |||
A [[Lumatone mapping for 57edo]] is available. | |||
== Music == | |||
; [[Bryan Deister]] | |||
* [https://www.youtube.com/watch?v=4NZvSgS3ryY ''57edo improv''] (2025) | |||