Cimbrismic chords: Difference between revisions
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'''Cimbrismic chords''' are [[ | '''Cimbrismic chords''' are [[dyadic chord|essentially tempered chords]] tempered by the cimbrisma, [[1275/1274]]. | ||
Cimbrismic chords are of [[ | Cimbrismic chords are of [[dyadic chord/Pattern of essentially tempered chords|pattern 2]] in the 2.3.5.7.13.17 [[subgroup]] [[17-odd-limit]], meaning that there are 6 triads, 15 tetrads and 6 pentads, for a total of 27 distinct chord structures. | ||
For triads, there are three pairs of chords in inverse relationship: | For triads, there are three pairs of chords in inverse relationship: | ||
* | * 1–17/13–7/5 with steps of 17/13, 15/14, 10/7, and its inverse | ||
* | * 1–15/14–7/5 with steps of 15/14, 17/13, 10/7; | ||
* | * 1–17/14–7/5 with steps of 17/14, 15/13, 10/7, and its inverse | ||
* | * 1–15/13–7/5 with steps of 15/13, 17/14, 10/7; | ||
* | * 1–17/14–13/10 with steps of 17/14, 15/14, 20/13, and its inverse | ||
* | * 1–15/14–13/10 with steps of 15/14, 17/14, 20/13. | ||
For tetrads, there are three palindromic chords and six pairs of chords in inverse relationship. The palindromic chords are | For tetrads, there are three palindromic chords and six pairs of chords in inverse relationship. The palindromic chords are | ||
* | * 1–20/17–10/7–28/17 with steps of 20/17, 17/14, 15/13, 17/14; | ||
* | * 1–15/14–7/5–3/2 with steps of 15/14, 17/13, 15/14, 4/3; | ||
* | * 1–15/14–17/14–13/10 with steps of 15/14, 17/15, 15/14, 20/13. | ||
The inversely related pairs of chords are | The inversely related pairs of chords are | ||
* | * 1–20/17–10/7–26/17 with steps of 20/17, 17/14, 15/14, 17/13, and its inverse | ||
* | * 1–15/14–13/10–26/17 with steps of 15/14, 17/14, 20/17, 17/13; | ||
* | * 1–15/13–7/5–3/2 with steps of 15/13, 17/14, 15/14, 4/3, and its inverse | ||
* | * 1–15/14–13/10–3/2 with steps of 15/14, 17/14, 15/13, 4/3; | ||
* | * 1–17/14–17/13–7/5 with steps of 17/14, 14/13, 15/14, 10/7, and its inverse | ||
* | * 1–15/14–15/13–7/5 with steps of 15/14, 14/13, 17/14, 10/7; | ||
* | * 1–17/14–13/10–7/5 with steps of 17/14, 15/14, 14/13, 10/7, and its inverse | ||
* | * 1–14/13–15/13–7/5 with steps of 14/13, 15/14, 17/14, 10/7; | ||
* | * 1–15/13–17/13–7/5 with steps of 15/13, 17/15, 15/14, 10/7, and its inverse | ||
* | * 1–15/14–17/14–7/5 with steps of 15/14, 17/15, 15/13, 10/7; | ||
* | * 1–14/13–17/13–7/5 with steps of 14/13, 17/14, 15/14, 10/7, and its inverse | ||
* | * 1–15/14–13/10–7/5 with steps of 15/14, 17/14, 14/13, 10/7. | ||
For pentads, there are three pairs of chords in inverse relationship: | For pentads, there are three pairs of chords in inverse relationship: | ||
* | * 1–20/17–10/7–26/17–28/17 with steps of 20/17, 17/14, 15/14, 14/13, 17/14, and its inverse | ||
* | * 1–14/13–15/13–7/5–28/17 with steps of 14/13, 15/14, 17/14, 20/17, 17/14; | ||
* | * 1–15/14–13/10–7/5–3/2 with steps of 15/14, 17/14, 14/13, 15/14, 4/3, and its inverse | ||
* | * 1–15/14–15/13–7/5–3/2 with steps of 15/14, 14/13, 17/14, 15/14, 4/3; | ||
* | * 1–14/13–15/13–17/13–7/5 with steps of 14/13, 15/14, 17/15, 15/14, 10/7, and its inverse | ||
* | * 1–15/14–17/14–13/10–7/5 with steps of 15/14, 17/15, 15/14, 14/13, 10/7. | ||
Equal temperaments with cimbrismic chords include {{Optimal ET sequence|31, 41, 50, 53, 58, 60, 68, 72, 111, 121, 130, 140, 171, 183, 243, 311, 354, 364 and 494 }}. | Equal temperaments with cimbrismic chords include {{Optimal ET sequence| 31, 41, 50, 53, 58, 60, 68, 72, 111, 121, 130, 140, 171, 183, 243, 311, 354, 364 and 494 }}. | ||
[[Category:17-odd-limit]] | [[Category:17-odd-limit]] | ||