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Zastari

Joined 10 September 2023
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== JI scales on the Harmonic Series ==
== JI scales on the Harmonic Series ==
=== SV3 scales ===
* 2.3.5
** Zarlino[7]: 9/8 5/4 45/32 3/2 27/16 15/8 2/1
** ???[7]: 10/9 6/5 4/3 3/2 5/3 9/5 2/1
* 2.3.7
** Omnidiatonic[7]: 9/8 7/6 4/3 3/2 14/9 7/4 2/1
** ???[7]: 8/7 7/6 4/3 3/2 12/7 7/4 2/1
** Diasem[9]: 9/8 81/64 21/16 189/128 3/2 27/16 7/4 63/32 2/1
* 2.3.19
** 9/8 19/16 171/128 3/2 27/16 57/32 2/1


=== /2^n Scales of Interest ===
=== /2^n Scales of Interest ===
A /2^n scale is a JI scale with the following properties:
* All denominators of all notes in the scale are of the form /2^n
* The scale has constant structure
Impropriety is ''not'' important; many of these scales will be improper.


==== 3-Limit ====
==== 3-Limit ====


====== Pyth (2.3) ======
====== Pyth (2.3) ======
Pyth is a line in 2.3 space. It can be traversed only by stacking 4/3. It forms constant structure at the same sizes that it forms a MOS.


* [7] Lydian: 9/8 81/64 729/512 3/2 27/16 243/128 2/1
Pyth frame: AGS(4/3)
* [5]: 9/8 81/64 3/2 27/16 2/1
* [7]: 9/8 81/64 729/512 3/2 27/16 243/128 2/1


==== 5-Limit ====
==== 5-Limit ====


=====[[Zarlino|Zarlino (2.3.5)]]=====
===== Duodene (2.3.5) =====
Duodene is a 4x3 rectangle in 2.3.5 space. It can be traversed along prime axes in any order yielding 2 possible AGS recipes that generate it.


* [7] Lydian: 9/8 5/4 45/32 3/2 27/16 15/8 2/1  
* Augmented frame (5->3): AGS(8/5, 8/5, 25/24):
 
** [6]: 75/64 5/4 3/2 25/16 15/8 2/1
===== Duodene (2.3.5) =====
** [9]: 9/8 75/64 5/4 45/32 3/2 25/16 225/128 15/8 2/1
AGS(8/5, 8/5, 25/24)
** [12]: 135/128 9/8 75/64 5/4 675/512 45/32 3/2 25/16 27/16 225/128 15/8 2/1
* [6]: 75/64 5/4 3/2 25/16 15/8 2/1
* Zarlino frame (3->5) AGS(4/3, 4/3, 4/3, 27/20):
* [9]: 9/8 75/64 5/4 45/32 3/2 25/16 225/128 15/8 2/1
** [5]: 9/8 5/4 3/2 27/16 2/1
* [12]: 135/128 9/8 75/64 5/4 675/512 45/32 3/2 25/16 27/16 225/128 15/8 2/1
** [7]: 9/8 5/4 45/32 3/2 27/16 15/8 2/1 (aka Zarlino[7])
** [12]: 135/128 9/8 75/64 5/4 675/512 45/32 3/2 25/16 27/16 225/128 15/8 2/1 (aka Duodene[12])


==== 7-Limit ====
==== 7-Limit ====
Line 26: Line 49:
AGS(7/6, 8/7)
AGS(7/6, 8/7)
* [5]: 9/8 21/16 3/2 7/4 2/1
* [5]: 9/8 21/16 3/2 7/4 2/1
* [9]: 9/8 81/64 (or 5/4) 21/16 189/128 3/2 27/16 7/4 63/32 2/1
* [9]: 9/8 81/64 21/16 189/128 3/2 27/16 7/4 63/32 2/1


===== Detempered Marveldene (2.3.5.7) =====
===== Detempered Marveldene (2.3.5.7) =====
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===== Zil (2.3.5.7) =====
===== Zil (2.3.5.7) =====
''Note'': Zil is sometimes defined as a chiral version that contains 405/256 and 2835/2048 in place of 25/16 and 175/128 which yields the AGS (8/7, 7/6, 8/7, 7/6, 8/7, 7/6, 8/7, 189/160, 8/7, 7/6). The version discussed below uses 25/16 and 175/128 yielding the truncated AGS (8/7, 7/6, 8/7, 7/6, 8/7, 7/6, 189/160).
''Note'': Zil is sometimes defined as a chiral version that contains 405/256 and 2835/2048 in place of 25/16 and 175/128 which yields the AGS (8/7, 7/6, 8/7, 7/6, 8/7, 7/6, 8/7, 189/160, 8/7, 7/6). The version discussed below uses 25/16 and 175/128 yielding the truncated AGS (8/7, 7/6, 8/7, 7/6, 8/7, 7/6, 8/7,189/160).
 
* zil[24]: 525/512 135/128 35/32 9/8 4725/4096 75/64 315/256 5/4 21/16 675/512 175/128 45/32 189/128 3/2 1575/1024 25/16 105/64 27/16 7/4 225/128 945/512 15/8 63/32 2/1


Zil is a 4x3x2 rectangular prism in the (3, 5, 7) space. It can be traversed along the prime axes in any order yielding 6 possible AGS recipes that generate it.
Zil is a 4x3x2 rectangular prism in 2.3.5.7 space. It can be traversed along the prime axes in any order yielding 6 possible AGS recipes that generate it.


* Tas frame (7->3->5) : AGS(8/7, 7/6, 8/7, 7/6, 8/7, 7/6, 8/7, 189/160)
* Tas frame (7->3->5) : AGS(8/7, 7/6, 8/7, 7/6, 8/7, 7/6, 8/7, 189/160)
Line 44: Line 69:
** [9]: 9/8 5/4 21/16 189/128 3/2 27/16 7/4 63/32 2/1
** [9]: 9/8 5/4 21/16 189/128 3/2 27/16 7/4 63/32 2/1
** [14]: 35/32 9/8 315/256 5/4 21/16 45/32 189/128 3/2 105/64 27/16 7/4 15/8 63/32 2/1
** [14]: 35/32 9/8 315/256 5/4 21/16 45/32 189/128 3/2 105/64 27/16 7/4 15/8 63/32 2/1
* Hexatonic septimal-pental frame (7->5->3): AGS(8/7, 7/5, 8/7, 7/5, 8/7, 175/96)
** [19]: 135/128 35/32 9/8 75/64 315/256 5/4 21/16 175/128 45/32 189/128 3/2 25/16 105/64 27/16 7/4 945/512 15/8 63/32 2/1
** [6]: 35/32 5/4 175/128 25/16 7/4 2/1 (same as Hexatonic pental-septimal)
* Reverse Tas frame (3->7->5) AGS(4/3, 4/3, 4/3, 27/14, 4/3, 4/3, 4/3, 189/160):
** [12]: 525/512 35/32 75/64 5/4 21/16 175/128 3/2 25/16 105/64 7/4 15/8 2/1
** [9]: Same as Tas[9]
* Hexatonic pental-septimal frame (5->7->3): AGS(8/5, 8/5, 25/14, 8/5, 8/5, 175/96)
* Hexatonic pental-septimal frame (5->7->3): AGS(8/5, 8/5, 25/14, 8/5, 8/5, 175/96)
** [6]: 35/32 5/4 175/128 25/16 7/4 2/1 (same as Hexatonic septimal-pental)
** [6]: 35/32 5/4 175/128 25/16 7/4 2/1 (aka Hexatonic septimal-pental[6])
** [9]: 35/32 75/64 5/4 175/128 3/2 25/16 7/4 15/8 2/1
** [9]: 35/32 75/64 5/4 175/128 3/2 25/16 7/4 15/8 2/1
** [12]: 525/512 35/32 75/64 5/4 21/16 175/128 3/2 25/16 105/64 7/4 15/8 2/1 (same as Hexatonic septimal-pental
** [12]: 525/512 35/32 75/64 5/4 21/16 175/128 3/2 25/16 105/64 7/4 15/8 2/1
** [15]: 525/512 35/32 9/8 75/64 5/4 21/16 175/128 45/32 3/2 25/16 105/64 7/4 225/128 15/8 2/1
** [15]: 525/512 35/32 9/8 75/64 5/4 21/16 175/128 45/32 3/2 25/16 105/64 7/4 225/128 15/8 2/1
* Duodene frame (5->3->7): AGS(8/5, 8/5, 25/24, 8/5, 8/5, 25/24, 8/5, 8/5, 25/24, 8/5, 8/5, 675/448)
 
** [6], [9], and [12] are the same as Duodene 2.3.5.
* Hexatonic septimal-pental frame (7->5->3): AGS(8/7, 7/5, 8/7, 7/5, 8/7, 175/96)
** [6] and [12] are the same as Hexatonc pental-septimal [6] and [12].
 
* Duodene Augmented frame (5->3->7): AGS(8/5, 8/5, 25/24, 8/5, 8/5, 25/24, 8/5, 8/5, 25/24, 8/5, 8/5, 675/448)
** [6], [9], and [12] are the same as the Duodene Augmented frame in 2.3.5.
* Duodene Zarlino frame (3->5->7) AGS(4/3, 4/3, 4/3, 27/20, 4/3, 4/3, 4/3, 27/20, 4/3, 4/3, 4/3, 675/448)
** [5], [7], and [12] are the same as Duodene Zarlino frame in 2.3.5.


Transitional Modes
Transitional Modes
Line 59: Line 90:
* Unknown mode (2.3.7.25): 525/512 75/64 21/16 175/128 25/16 7/4 2/1
* Unknown mode (2.3.7.25): 525/512 75/64 21/16 175/128 25/16 7/4 2/1
* Unknown mode (2.3.5.7): 35/32 5/4 21/16 3/2 105/64 7/4 2/1
* Unknown mode (2.3.5.7): 35/32 5/4 21/16 3/2 105/64 7/4 2/1
===== Unnamed Ambitonal Scale (2.3.5.7) =====
* 36/35 21/20 10/9 8/7 7/6 6/5 80/63 21/16 4/3 48/35 35/24 3/2 32/21 63/40 5/3 12/7 7/4 9/5 40/21 35/18 2/1
=== Chromatic Families ===
* 2.3.5 base: 16/15 10/9 6/5 5/4 27/20 45/32 3/2 8/5 5/3 9/5 15/8 2/1 2.3.5
** L=27/25, m=16/15, s=25/24. msLsLsmmsLsm
* 2.3.5 extension: 81/80 16/15 27/25 10/9 9/8 6/5 243/200 5/4 81/64 27/20 2187/1600 45/32 729/512 3/2 243/160 8/5 81/50 5/3 27/16 9/5 729/400 15/8 243/128 2/1
** L=16/15, m=256/243, s=250/243, c=81/80. cmcscLcscLcscmcmcscLcscm
* 2.3.5.7 extension: 64/63 16/15 1024/945 10/9 640/567 6/5 128/105 5/4 80/63 27/20 48/35 45/32 10/7 3/2 32/21 8/5 512/315 5/3 320/189 9/5 64/35 15/8 40/21 2/1
** L=1701/1600, m=21/20, s=525/512, c=64/63. cmcscLcscLcscmcmcscLcscm
* 2.3.5.11 extension: 33/32 16/15 11/10 10/9 55/48 6/5 99/80 5/4 165/128 27/20 891/640 45/32 1485/1024 3/2 99/64 8/5 33/20 5/3 55/32 9/5 297/160 15/8 495/256 2/1
** L=288/275, m=512/495, s=33/32, c=100/99. Pattern: smscsLscsLscsmsmscsLscsm
* 2.3.5.13 extension: 65/64 16/15 13/12 10/9 325/288 6/5 39/32 5/4 325/256 27/20 351/256 45/32 2925/2048 3/2 195/128 8/5 13/8 5/3 325/192 9/5 117/64 15/8 975/512 2/1
** L=1728/1625 m=1024/975 s=40/39 c=65/64. cmcscLcscLcscmcmcscLcscm
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