Bastille comma: Difference between revisions
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Bastille comma is a 2.5.7 subgroup comma associated with temperament-merging 1407edo and 1789edo, which together produce 14/07/1789, the date of storming of Bastille. | The '''Bastille comma''' is a [[2.5.7 subgroup]] comma associated with temperament-merging [[1407edo]] and [[1789edo]], which together produce 14/07/1789, the date of storming of Bastille. See [[Bastille]] for associated music theory. | ||
Bastille comma is a small comma measuring about 25 cents, or alternately about 29 steps of | Bastille comma is a [[small comma]] measuring about 25 [[cents]], or alternately about 29 steps of 1407edo and 37 steps of 1789edo. However, because the circle of [[generators]] is so large, each of them is flattened by a really small amount of the comma, well below the step sizes, thus enabling the tuning. | ||
[[Category:Commas named after place names]] | |||
Latest revision as of 05:21, 11 April 2025
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reduced subharmonic
The Bastille comma is a 2.5.7 subgroup comma associated with temperament-merging 1407edo and 1789edo, which together produce 14/07/1789, the date of storming of Bastille. See Bastille for associated music theory.
Bastille comma is a small comma measuring about 25 cents, or alternately about 29 steps of 1407edo and 37 steps of 1789edo. However, because the circle of generators is so large, each of them is flattened by a really small amount of the comma, well below the step sizes, thus enabling the tuning.