User:Tristanbay

Hi, I'm Tristan Bay, a microtonal electronic musician living in Portland, Oregon, USA. My stuff can be found at https://tristanbay.com.

JI scale dump

Here are some just intonation scales I've been collecting. All of them are constant structure (i.e. the same just interval is always represented by the same number of scale degrees) and repeat at the octave.

Boutique scales (less than 12 notes)

24:26:28:30:32:33:36:39:42:45:48 13/12 7/6 5/4 4/3 11/8 3/2 13/8 7/4 15/8 2/1

24:27:28:30:33:36:39:42:45:48 9/8 7/6 5/4 11/8 3/2 13/8 7/4 15/8 2/1

60:63:64:70:80:84:96:105:120 35/32 5/4 21/16 4/3 35/24 5/3 7/4 2/1

56:60:64:70:84:90:96:105:112 35/32 7/6 5/4 4/3 35/24 7/4 15/8 2/1

18:20:22:24:27:30:33:36 10/9 11/9 4/3 3/2 5/3 11/6 2/1

14:16:18:20:21:24:27:28 8/7 9/7 10/7 3/2 12/7 27/14 2/1

27:28:33:36:39:42:45:54 28/27 11/9 4/3 13/9 14/9 5/3 2/1

7:8:9:10:11:12:13:14 8/7 9/7 10/7 11/7 12/7 13/7 2/1

56:60:64:70:72:80:84:90:96:105:112 15/14 8/7 5/4 9/7 10/7 3/2 45/28 12/7 15/8 2/1

52:58:64:71:78:86:95:104 71/64 39/32 43/32 95/64 13/8 29/16 2/1

48:52:58:64:72:78:87:96 13/12 29/24 4/3 3/2 13/8 29/16 2/1

33:36:40:42:44:48:54:60:63:66 12/11 40/33 14/11 4/3 16/11 18/11 20/11 21/11 2/1

720:780:840:910:945:1008:1092:1170:1260:1365:1440 13/12 7/6 91/72 21/16 7/5 91/60 13/8 7/4 91/48 2/1

12-note scales

Antitonic 17-limit 17/16 39/32 5/4 21/16 11/8 3/2 51/32 13/8 5/3 7/4 11/6 2/1

Bicycle 13/12 9/8 7/6 5/4 4/3 11/8 3/2 13/8 5/3 7/4 11/6 2/1

Duodene 16/15 9/8 6/5 5/4 4/3 45/32 3/2 8/5 5/3 9/5 15/8 2/1

Septimal Canright 28/27 9/8 7/6 5/4 4/3 45/32 3/2 14/9 5/3 7/4 15/8 2/1

North Dakota 33/32 10/9 7/6 5/4 4/3 11/8 3/2 14/9 5/3 7/4 11/6 2/1

Johnston Piano Scale (Ringer 12) 15/14 8/7 17/14 9/7 19/14 10/7 3/2 11/7 12/7 13/7 27/14 2/1

Ephemeral Soup Scale 77/72 9/8 77/64 21/16 693/512 189/128 3/2 77/48 7/4 231/128 63/32 2/1

Once Upon A Time Scale 10/9 9/8 5/4 9/7 21/16 35/24 3/2 5/3 12/7 7/4 35/18 2/1

Centaur 21/20 9/8 7/6 5/4 4/3 7/5 3/2 14/9 5/3 7/4 15/8 2/1

Pental Diachrome 10/9 9/8 5/4 81/64 4/3 40/27 3/2 5/3 27/16 15/8 160/81 2/1

Margo Scale 104/99 9/8 13/11 14/11 4/3 63/44 3/2 52/33 56/33 16/9 21/11 2/1

Meta-Slendro 50/49 8/7 57/49 64/49 65/49 72/49 74/49 151/98 12/7 86/49 96/49 2/1

Succulent Undecimal Scale 10/9 7/6 5/4 21/16 4/3 11/8 3/2 5/3 7/4 16/9 11/6 2/1