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.
[[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.


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.
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.