OTC 7L 13s
Omnitetrachordal MODMOS scale
20 tones (8+4+8)
Tetracot MODMOS. Comes in 3 forms!
P = 4.1745609664
Q = 9.4523018119 (4/3 = 3L+4.5s)
L = 60.00 to 171.43 cents (118.65 cents @ P, 143.28 cents @ Q)
s = 0.00 to 60.00 cents (28.42 cents @ P, 15.16 cents @ Q)
9/8 = L+3s (171.43 to 240.00 cents)
4/3 = 3L+5s (480.00 to 514.29 cents)
MOS generator = L+2s (171.43 to 180.00 cents)
notable EDOs: 27, 34, 41, 61, 75
ssLssLssLssLssLssLsL (MOS, not OTC)
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ssLsssLssLLsssLssLLs (OTC MODMOS, form 1) - gc 9,3,2,2,2; 2o
ssLssLssLssLssLssLsL (MOS, not OTC)
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ssLsssLsLsLsssLsLsLs (OTC MODMOS, form 2) - gc 10,3,3; 4o
ssLssLssLssLssLssLsL (MOS, not OTC)
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ssLsssLLssLsssLsssLL (OTC MODMOS, form 3) - gc 9,3,2,2,2; 2o
sssLsssLssLLsssLssLL (form 1)
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sssLsssLsLsLsssLsLsL (form 2)
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sssLsssLLssLsssLLssL (form 3)
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sssLsssLssLLsssLssLL (form 1)
all modes, form 1:
| sssL sssLssLL sssLssLL | ||
| ssLs ssLssLLs ssLssLLs | ||
| sLss sLssLLss sLssLLss | ||
| Lsss LssLLsss LssLLsss | LsssLssL LsssLssL Lsss | |
| sssL ssLLsssL ssLLsssL | sssLssLL sssLssLL sssL | |
| ssLs sLLsssLs sLLsssLs | ssLssLLs ssLssLLs ssLs | |
| sLss LLsssLss LLsssLss | sLssLLss sLssLLss sLss | |
| LssLLsss LssLLsss Lsss | ||
| ssLLsssL ssLLsssL sssL | ||
| sLLsssLs sLLsssLs ssLs | ||
| LLsssLss LLsssLss sLss | ||
| LsssLssL Lsss LsssLssL | ||
| sssLssLL sssL sssLssLL | ||
| ssLssLLs ssLs ssLssLLs | ||
| sLssLLss sLss sLssLLss | ||
| LssLLsss Lsss LssLLsss | ||
| ssLLsssL sssL ssLLsssL | ||
| sLLsssLs ssLs sLLsssLs | ||
| LLsssLss sLss LLsssLss | ||
| Lsss LsssLssL LsssLssL |
all modes, form 2:
| sssL sssLsLsL sssLsLsL | ||
| ssLs ssLsLsLs ssLsLsLs | ||
| sLss sLsLsLss sLsLsLss | sLsssLsL sLsssLsL sLss | |
| Lsss LsLsLsss LsLsLsss | LsssLsLs LsssLsLs Lsss | |
| sssL sLsLsssL sLsLsssL | sssLsLsL sssLsLsL sssL | |
| ssLs LsLsssLs LsLsssLs | ssLsLsLs ssLsLsLs ssLs | |
| sLsLsLss sLsLsLss sLss | ||
| LsLsLsss LsLsLsss Lsss | ||
| sLsLsssL sLsLsssL sssL | ||
| LsLsssLs LsLsssLs ssLs | ||
| sLsssLsL sLss sLsssLsL | ||
| LsssLsLs Lsss LsssLsLs | ||
| sssLsLsL sssL sssLsLsL | ||
| ssLsLsLs ssLs ssLsLsLs | ||
| sLsLsLss sLss sLsLsLss | ||
| LsLsLsss Lsss LsLsLsss | ||
| sLsLsssL sssL sLsLsssL | ||
| LsLsssLs ssLs LsLsssLs | ||
| sLss sLsssLsL sLsssLsL | ||
| Lsss LsssLsLs LsssLsLs |
all modes, form 3:
| sssL sssLLssL sssLLssL | ||
| ssLs ssLLssLs ssLLssLs | ssLsssLL ssLsssLL ssLs | |
| sLss sLLssLss sLLssLss | sLsssLLs sLsssLLs sLss | |
| Lsss LLssLsss LLssLsss | LsssLLss LsssLLss Lsss | |
| sssL LssLsssL LssLsssL | sssLLssL sssLLssL sssL | |
| ssLLssLs ssLLssLs ssLs | ||
| sLLssLss sLLssLss sLss | ||
| LLssLsss LLssLsss Lsss | ||
| LssLsssL LssLsssL sssL | ||
| ssLsssLL ssLs ssLsssLL | ||
| sLsssLLs sLss sLsssLLs | ||
| LsssLLss Lsss LsssLLss | ||
| sssLLssL sssL sssLLssL | ||
| ssLLssLs ssLs ssLLssLs | ||
| sLLssLss sLss sLLssLss | ||
| LLssLsss Lsss LLssLsss | ||
| LssLsssL sssL LssLsssL | ||
| ssLs ssLsssLL ssLsssLL | ||
| sLss sLsssLLs sLsssLLs | ||
| Lsss LsssLLss LsssLLss |
