Buzurgismic chords: Difference between revisions
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'''Buzurgismic chords''' are [[Dyadic chord|essentially tempered dyadic chords]] tempered by the buzurgisma, [[169/168]]. | '''Buzurgismic chords''' are [[Dyadic chord|essentially tempered dyadic chords]] tempered by the buzurgisma, [[169/168]]. | ||
The [[buzurgismic]] temperament is very comparable to the [[biyatismic]] temperament. It has | The [[buzurgismic]] temperament is very comparable to the [[biyatismic]] temperament. It has two triads, nine tetrads, seven pentads and one hexad in the 2.3.7.13 subgroup [[13-odd-limit]]. | ||
The two buzurgismic triads are in inverse relationship: | The two buzurgismic triads are in inverse relationship: | ||
* | * 1–7/6–13/8 with steps 7/6, 18/13, 16/13; | ||
* | * 1–18/13–13/8 with steps 18/13, 7/6, 16/13. | ||
For tetrads, there are | For tetrads, there are three palindromic chords and three pairs of chords in inverse relationship. The palindromic chords are | ||
* | * 1–9/8–18/13–13/8 with steps 9/8, 16/13, 7/6, 16/13; | ||
* | * 1–3/2–13/8–13/7 with steps 3/2, 13/12, 8/7, 13/12; | ||
* 1–13/12–18/13–3/2 with steps 13/12, 9/7, 13/12, 4/3. | |||
The inversely related pairs of chords are | The inversely related pairs of chords are | ||
* | * 1–18/13–3/2–13/8 with steps 18/13, 13/12, 13/12, 16/13, and its inverse | ||
* | * 1–13/12–3/2–13/7 with steps 13/12, 18/13, 16/13, 13/12; | ||
* 1–13/12–3/2–7/4 with steps 13/12, 18/13, 7/6, 8/7, and its inverse | |||
* 1–18/13–3/2–12/7 with steps 18/13, 13/12, 8/7, 7/6; | |||
* 1–7/6–3/2–13/8 with steps 7/6, 9/7, 13/12, 16/13, and its inverse | |||
* 1–9/7–3/2–13/7 with steps 9/7, 7/6, 16/13, 13/12. | |||
[[Category:13-odd-limit]] | For pentads, there are one palindromic chord and three pairs of chords in inverse relationship. The palindromic chord is | ||
* 1–9/8–18/13–3/2–13/8 with steps 9/8, 16/13, 13/12, 13/12, 16/13. | |||
The inversely related pairs of chords are | |||
* 1–13/12–7/6–3/2–13/8 with steps 13/12, 13/12, 9/7, 13/12, 16/13, and its inverse | |||
* 1–9/7–18/13–3/2–13/7 with steps 9/7, 13/12, 13/12, 16/13, 13/12; | |||
* 1–13/12–7/6–3/2–7/4 with steps 13/12, 13/12, 9/7, 7/6, 8/7, and its inverse | |||
* 1–9/7–18/13–3/2–12/7 with steps 9/7, 13/12, 13/12, 8/7, 7/6; | |||
* 1–13/12–3/2–13/8–7/4 with steps 13/12, 18/13, 13/12, 13/12, 8/7, and its inverse | |||
* 1–18/13–3/2–12/7–13/7 with steps 18/13, 13/12, 8/7, 13/12, 13/12; | |||
Finally, there is a palindromic hexad, | |||
* 1–13/12–7/6–3/2–13/8–7/4 with steps 13/12, 13/12, 9/7, 13/12, 13/12, 8/7. | |||
Equal temperaments with buzurgismic chords include {{Optimal ET sequence|7, 9, 10, 17, 19, 26, 27, 36, 46, 53, 63 and 72}}. | |||
[[Category:13-odd-limit chords]] | |||
[[Category:Essentially tempered chords]] | [[Category:Essentially tempered chords]] | ||
[[Category:Triads]] | [[Category:Triads]] | ||
[[Category:Tetrads]] | [[Category:Tetrads]] | ||
[[Category:Pentads]] | |||
[[Category:Hexads]] | |||
[[Category:Buzurgismic]] | [[Category:Buzurgismic]] |