unequaltemperament

johnston_81

SCL Detail

Degrees: 81  •  Period: 1200.00 cents  •  Source: Scala

Johnston 81-note 5-limit scale of Sonata for Microtonal Piano
File comments
! johnston_81.scl ! !
Playback
Select a tone, then click Begin. Use Arrow keys to step; Space stops. You can also use 1-0, qwertyuiop, asdfghjkl, zxcvbnm.
Overview (non-12°)
Degrees (now extended to 2 octaves)
# Raw Type Ratio Cents
1 81/80 ratio 81/80 21.51
2 128/125 ratio 128/125 41.06
3 250/243 ratio 250/243 49.17
4 648/625 ratio 648/625 62.57
5 25/24 ratio 25/24 70.67
6 256/243 ratio 256/243 90.22
7 135/128 ratio 135/128 92.18
8 16/15 ratio 16/15 111.73
9 2187/2048 ratio 2187/2048 113.69
10 27/25 ratio 27/25 133.24
11 2187/2000 ratio 2187/2000 154.74
12 800/729 ratio 800/729 160.90
13 1125/1024 ratio 1125/1024 162.85
14 10/9 ratio 10/9 182.40
15 9/8 ratio 9/8 203.91
16 729/640 ratio 729/640 225.42
17 144/125 ratio 144/125 244.97
18 125/108 ratio 125/108 253.08
19 729/625 ratio 729/625 266.48
20 75/64 ratio 75/64 274.58
21 32/27 ratio 32/27 294.13
22 1215/1024 ratio 1215/1024 296.09
23 6/5 ratio 6/5 315.64
24 243/200 ratio 243/200 337.15
25 625/512 ratio 625/512 345.25
26 100/81 ratio 100/81 364.81
27 5/4 ratio 5/4 386.31
28 81/64 ratio 81/64 407.82
29 32/25 ratio 32/25 427.37
30 162/125 ratio 162/125 448.88
31 125/96 ratio 125/96 456.99
32 320/243 ratio 320/243 476.54
33 4/3 ratio 4/3 498.04
34 27/20 ratio 27/20 519.55
35 512/375 ratio 512/375 539.10
36 2187/1600 ratio 2187/1600 541.06
37 864/625 ratio 864/625 560.61
38 25/18 ratio 25/18 568.72
39 1024/729 ratio 1024/729 588.27
40 45/32 ratio 45/32 590.22
41 64/45 ratio 64/45 609.78
42 729/512 ratio 729/512 611.73
43 36/25 ratio 36/25 631.28
44 729/500 ratio 729/500 652.79
45 375/256 ratio 375/256 660.90
46 40/27 ratio 40/27 680.45
47 3/2 ratio 3/2 701.96
48 243/160 ratio 243/160 723.46
49 192/125 ratio 192/125 743.01
50 125/81 ratio 125/81 751.12
51 972/625 ratio 972/625 764.52
52 25/16 ratio 25/16 772.63
53 128/81 ratio 128/81 792.18
54 405/256 ratio 405/256 794.13
55 8/5 ratio 8/5 813.69
56 81/50 ratio 81/50 835.19
57 625/384 ratio 625/384 843.30
58 6561/4000 ratio 6561/4000 856.70
59 400/243 ratio 400/243 862.85
60 5/3 ratio 5/3 884.36
61 27/16 ratio 27/16 905.87
62 128/75 ratio 128/75 925.42
63 2187/1280 ratio 2187/1280 927.37
64 1250/729 ratio 1250/729 933.52
65 216/125 ratio 216/125 946.92
66 125/72 ratio 125/72 955.03
67 1280/729 ratio 1280/729 974.58
68 225/128 ratio 225/128 976.54
69 16/9 ratio 16/9 996.09
70 3645/2048 ratio 3645/2048 998.04
71 9/5 ratio 9/5 1017.60
72 729/400 ratio 729/400 1039.10
73 1875/1024 ratio 1875/1024 1047.21
74 50/27 ratio 50/27 1066.76
75 15/8 ratio 15/8 1088.27
76 243/128 ratio 243/128 1109.78
77 48/25 ratio 48/25 1129.33
78 243/125 ratio 243/125 1150.83
79 125/64 ratio 125/64 1158.94
80 160/81 ratio 160/81 1178.49
81 2/1 ratio 2/1 1200.00
82 2nd octave 1221.51
83 2nd octave 1241.06
84 2nd octave 1249.17
85 2nd octave 1262.57
86 2nd octave 1270.67
87 2nd octave 1290.22
88 2nd octave 1292.18
89 2nd octave 1311.73
90 2nd octave 1313.69
91 2nd octave 1333.24
92 2nd octave 1354.74
93 2nd octave 1360.90
94 2nd octave 1362.85
95 2nd octave 1382.40
96 2nd octave 1403.91
97 2nd octave 1425.42
98 2nd octave 1444.97
99 2nd octave 1453.08
100 2nd octave 1466.48
101 2nd octave 1474.58
102 2nd octave 1494.13
103 2nd octave 1496.09
104 2nd octave 1515.64
105 2nd octave 1537.15
106 2nd octave 1545.25
107 2nd octave 1564.81
108 2nd octave 1586.31
109 2nd octave 1607.82
110 2nd octave 1627.37
111 2nd octave 1648.88
112 2nd octave 1656.99
113 2nd octave 1676.54
114 2nd octave 1698.04
115 2nd octave 1719.55
116 2nd octave 1739.10
117 2nd octave 1741.06
118 2nd octave 1760.61
119 2nd octave 1768.72
120 2nd octave 1788.27
121 2nd octave 1790.22
122 2nd octave 1809.78
123 2nd octave 1811.73
124 2nd octave 1831.28
125 2nd octave 1852.79
126 2nd octave 1860.90
127 2nd octave 1880.45
128 2nd octave 1901.96
129 2nd octave 1923.46
130 2nd octave 1943.01
131 2nd octave 1951.12
132 2nd octave 1964.52
133 2nd octave 1972.63
134 2nd octave 1992.18
135 2nd octave 1994.13
136 2nd octave 2013.69
137 2nd octave 2035.19
138 2nd octave 2043.30
139 2nd octave 2056.70
140 2nd octave 2062.85
141 2nd octave 2084.36
142 2nd octave 2105.87
143 2nd octave 2125.42
144 2nd octave 2127.37
145 2nd octave 2133.52
146 2nd octave 2146.92
147 2nd octave 2155.03
148 2nd octave 2174.58
149 2nd octave 2176.54
150 2nd octave 2196.09
151 2nd octave 2198.04
152 2nd octave 2217.60
153 2nd octave 2239.10
154 2nd octave 2247.21
155 2nd octave 2266.76
156 2nd octave 2288.27
157 2nd octave 2309.78
158 2nd octave 2329.33
159 2nd octave 2350.83
160 2nd octave 2358.94
161 2nd octave 2378.49
162 2nd octave 2400.00