18L 5s

↖ 17L 4s	↑ 18L 4s	19L 4s ↗
← 17L 5s	18L 5s	19L 5s →
↙ 17L 6s	↓ 18L 6s	19L 6s ↘

┌╥╥╥╥┬╥╥╥╥┬╥╥╥┬╥╥╥╥┬╥╥╥┬┐
│║║║║│║║║║│║║║│║║║║│║║║││
│││││││││││││││││││││││││
└┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┘

Scale structure

Step pattern

LLLLsLLLLsLLLsLLLLsLLLs
sLLLsLLLLsLLLsLLLLsLLLL

Equave

2/1 (1200.0 ¢)

Period

2/1 (1200.0 ¢)

Generator size

Bright

14\23 to 11\18 (730.4 ¢ to 733.3 ¢)

Dark

7\18 to 9\23 (466.7 ¢ to 469.6 ¢)

TAMNAMS information

Related to

5L 3s (oneirotonic)

With tunings

3:1 to 4:1 (parahard)

Related MOS scales

Equal tunings

Equalized (L:s = 1:1)

14\23 (730.4 ¢)

Supersoft (L:s = 4:3)

53\87 (731.0 ¢)

39\64 (731.2 ¢)

64\105 (731.4 ¢)

25\41 (731.7 ¢)

61\100 (732.0 ¢)

36\59 (732.2 ¢)

Superhard (L:s = 4:1)

47\77 (732.5 ¢)

Collapsed (L:s = 1:0)

11\18 (733.3 ¢)

18L 5s is a 2/1-equivalent (octave-equivalent) moment of symmetry scale containing 18 large steps and 5 small steps, repeating every octave. 18L 5s is a great-grandchild scale of 5L 3s, expanding it by 15 tones. Generators that produce this scale range from 730.4 ¢ to 733.3 ¢, or from 466.7 ¢ to 469.6 ¢.

Modes

Modes of 18L 5s
UDP	Cyclic order	Step pattern
22\|0	1	LLLLsLLLLsLLLsLLLLsLLLs
21\|1	15	LLLLsLLLsLLLLsLLLLsLLLs
20\|2	6	LLLLsLLLsLLLLsLLLsLLLLs
19\|3	20	LLLsLLLLsLLLLsLLLsLLLLs
18\|4	11	LLLsLLLLsLLLsLLLLsLLLLs
17\|5	2	LLLsLLLLsLLLsLLLLsLLLsL
16\|6	16	LLLsLLLsLLLLsLLLLsLLLsL
15\|7	7	LLLsLLLsLLLLsLLLsLLLLsL
14\|8	21	LLsLLLLsLLLLsLLLsLLLLsL
13\|9	12	LLsLLLLsLLLsLLLLsLLLLsL
12\|10	3	LLsLLLLsLLLsLLLLsLLLsLL
11\|11	17	LLsLLLsLLLLsLLLLsLLLsLL
10\|12	8	LLsLLLsLLLLsLLLsLLLLsLL
9\|13	22	LsLLLLsLLLLsLLLsLLLLsLL
8\|14	13	LsLLLLsLLLsLLLLsLLLLsLL
7\|15	4	LsLLLLsLLLsLLLLsLLLsLLL
6\|16	18	LsLLLsLLLLsLLLLsLLLsLLL
5\|17	9	LsLLLsLLLLsLLLsLLLLsLLL
4\|18	23	sLLLLsLLLLsLLLsLLLLsLLL
3\|19	14	sLLLLsLLLsLLLLsLLLLsLLL
2\|20	5	sLLLLsLLLsLLLLsLLLsLLLL
1\|21	19	sLLLsLLLLsLLLLsLLLsLLLL
0\|22	10	sLLLsLLLLsLLLsLLLLsLLLL

Scale tree

Template:Scale tree

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