Sooty fox chords

Sooty fox chords are essentially tempered chords tempered by the sooty fox comma, 343/338.

Sooty fox chords are essentially tempered chords for 2.7.13 subgroup, consisting of the sooty fox triad,

• 1–14/13–8/7 with steps of 14/13, 14/13, 7/4;

and the sooty fox tetrad,

• 1–14/13–8/7–16/13 with steps of 14/13, 14/13, 14/13, 13/8.

These chords reduce to 15-odd-limit essentially just chords if the marvel comma is tempered out, which is natural to further temper from sooty fox.

Equal temperaments with sooty fox chords include 9, 10, 11, 19, 21, 31, and 41.