Minor minthmic chords: Difference between revisions
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A '''gentle chord''' is | A '''gentle chord''' is an [[Dyadic chord|essentially tempered chord]] tempered by the gentle comma, [[364/363]]. | ||
Gentle chords are numerous, including 10 triads and 33 tetrads as 2.3.7.11.13 [[subgroup]] [[13-odd-limit]] essentially tempered chords. | |||
For triads, there are five pairs of chords in inverse relationship. | |||
The ''gentle major triad'' (or ''supermajor gentle triad'') is a tempering of | |||
* 1- | * 1-14/11-3/2 with steps of 14/11-13/11-4/3; | ||
and its inversion the ''gentle minor triad'' (or ''subminor gentle triad'') is a tempering of | |||
* 1- | * 1-13/11-3/2 with steps of 13/11-14/11-4/3. | ||
and its inversion | The ''gothic gentle triads'' are temperings of | ||
* 1-13/11-11/8. | * 1-7/6-11/8 with steps of 7/6-13/11-16/11; | ||
and its inversion, | |||
* 1-13/11-11/8 with steps of 13/11-7/6-16/11. | |||
The names refer to [[Margo Schulter]]'s [[Neo-gothic]] theory of harmony, which features a [[gentle region]] with a slightly sharpened fifth in which gentle triads and neogothic triads flourish. | The names refer to [[Margo Schulter]]'s [[Neo-gothic]] theory of harmony, which features a [[gentle region]] with a slightly sharpened fifth in which gentle triads and neogothic triads flourish. | ||
The rest three inversely related pairs of triads contain semitones: | |||
* 1-14/11-18/13 with steps 14/11-12/11-13/9 and its inverse 1-12/11-18/13 with steps 12/11-14/11-13/9; | |||
* 1-14/11-11/8 with steps 14/11-13/12-16/11 and its inverse 1-13/12-11/8 with steps 13/12-14/11-16/11; | |||
* 1-13/11-9/7 with steps 13/11-12/11-14/9 and its inverse 1-12/11-9/7 with steps 12/11-13/11-14/9. | |||
For tetrads, there are five palindromic chords and fourteen pairs of chords in inverse relationship. | |||
The ''gentle major tetrad'' is a tempering of | |||
* 1-14/11-3/2-7/4 with steps of 14/11-13/11-7/6-8/7; | |||
and its inversion the ''gentle minor tetrad'' is a tempering of | |||
* 1-13/11-3/2-12/7 with steps of 13/11-14/11-8/7-7/6. | |||
The ''gothic gentle tetrad'' is palindromic, a tempering of pairs of | |||
* 1-13/11-11/8-13/8 with steps of 13/11-7/6-13/11-16/13. | |||
The rest four palindromic tetrads and thirteen inversely related pairs of tetrads contain semitones such as 12/11, 13/12 or 14/13. | |||
There are also pentads and hexads as gentle chords, all of them contain semitones. | |||
Equal temperaments with gentle chords include {{Optimal ET sequence| 17, 22, 29, 41, 46, 58, 72, 87, 104, 121, 130, 217, 232, 234, 289 and 456 }}. | |||
[[Category:13-odd-limit]] | |||
[[Category:Essentially tempered chords]] | [[Category:Essentially tempered chords]] | ||
[[Category:Triads]] | |||
[[Category:Tetrads]] | |||
[[Category:Gentle]] | [[Category:Gentle]] | ||
[[Category:Neo-gothic]] | [[Category:Neo-gothic]] |