1L 19s

	↑ 1L 18s	2L 18s ↗
	1L 19s	2L 19s →
	↓ 1L 20s	2L 20s ↘

┌╥┬┬┬┬┬┬┬┬┬┬┬┬┬┬┬┬┬┬┬┐ │║││││││││││││││││││││ ││││││││││││││││││││││ └┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┘
Scale structure
Step pattern	Lsssssssssssssssssss sssssssssssssssssssL
Equave	2/1 (1200.0 ¢)
Period	2/1 (1200.0 ¢)
Generator size
Bright	19\20 to 1\1 (1140.0 ¢ to 1200.0 ¢)
Dark	0\1 to 1\20 (0.0 ¢ to 60.0 ¢)
TAMNAMS information
Related to	1L 9s (antisinatonic)
With tunings	11:1 to 1:0
Related MOS scales
Parent	1L 18s
Sister	19L 1s
Daughters	20L 1s, 1L 20s
Neutralized	2L 18s
2-Flought	21L 19s, 1L 39s
Equal tunings
Equalized (L:s = 1:1)	19\20 (1140.0 ¢)
Supersoft (L:s = 4:3)	58\61 (1141.0 ¢)
Soft (L:s = 3:2)	39\41 (1141.5 ¢)
Semisoft (L:s = 5:3)	59\62 (1141.9 ¢)
Basic (L:s = 2:1)	20\21 (1142.9 ¢)
Semihard (L:s = 5:2)	41\43 (1144.2 ¢)
Hard (L:s = 3:1)	21\22 (1145.5 ¢)
Superhard (L:s = 4:1)	22\23 (1147.8 ¢)
Collapsed (L:s = 1:0)	1\1 (1200.0 ¢)

1L 19s is a 2/1-equivalent (octave-equivalent) moment of symmetry scale containing 1 large step and 19 small steps, repeating every octave. 1L 19s is related to 1L 9s, expanding it by 10 tones. Generators that produce this scale range from 1140 ¢ to 1200 ¢, or from 0 ¢ to 60 ¢.

Modes

Modes of 1L 19s

UDP	Cyclic order	Step pattern
19|0	1	Lsssssssssssssssssss
18|1	20	sLssssssssssssssssss
17|2	19	ssLsssssssssssssssss
16|3	18	sssLssssssssssssssss
15|4	17	ssssLsssssssssssssss
14|5	16	sssssLssssssssssssss
13|6	15	ssssssLsssssssssssss
12|7	14	sssssssLssssssssssss
11|8	13	ssssssssLsssssssssss
10|9	12	sssssssssLssssssssss
9|10	11	ssssssssssLsssssssss
8|11	10	sssssssssssLssssssss
7|12	9	ssssssssssssLsssssss
6|13	8	sssssssssssssLssssss
5|14	7	ssssssssssssssLsssss
4|15	6	sssssssssssssssLssss
3|16	5	ssssssssssssssssLsss
2|17	4	sssssssssssssssssLss
1|18	3	ssssssssssssssssssLs
0|19	2	sssssssssssssssssssL

Intervals

Intervals of 1L 19s

Intervals			Steps subtended	Range in cents
Generic	Specific	Abbrev.
0-mosstep	Perfect 0-mosstep	P0ms	0	0.0 ¢
1-mosstep	Perfect 1-mosstep	P1ms	s	0.0 ¢ to 60.0 ¢
	Augmented 1-mosstep	A1ms	L	60.0 ¢ to 1200.0 ¢
2-mosstep	Minor 2-mosstep	m2ms	2s	0.0 ¢ to 120.0 ¢
	Major 2-mosstep	M2ms	L + s	120.0 ¢ to 1200.0 ¢
3-mosstep	Minor 3-mosstep	m3ms	3s	0.0 ¢ to 180.0 ¢
	Major 3-mosstep	M3ms	L + 2s	180.0 ¢ to 1200.0 ¢
4-mosstep	Minor 4-mosstep	m4ms	4s	0.0 ¢ to 240.0 ¢
	Major 4-mosstep	M4ms	L + 3s	240.0 ¢ to 1200.0 ¢
5-mosstep	Minor 5-mosstep	m5ms	5s	0.0 ¢ to 300.0 ¢
	Major 5-mosstep	M5ms	L + 4s	300.0 ¢ to 1200.0 ¢
6-mosstep	Minor 6-mosstep	m6ms	6s	0.0 ¢ to 360.0 ¢
	Major 6-mosstep	M6ms	L + 5s	360.0 ¢ to 1200.0 ¢
7-mosstep	Minor 7-mosstep	m7ms	7s	0.0 ¢ to 420.0 ¢
	Major 7-mosstep	M7ms	L + 6s	420.0 ¢ to 1200.0 ¢
8-mosstep	Minor 8-mosstep	m8ms	8s	0.0 ¢ to 480.0 ¢
	Major 8-mosstep	M8ms	L + 7s	480.0 ¢ to 1200.0 ¢
9-mosstep	Minor 9-mosstep	m9ms	9s	0.0 ¢ to 540.0 ¢
	Major 9-mosstep	M9ms	L + 8s	540.0 ¢ to 1200.0 ¢
10-mosstep	Minor 10-mosstep	m10ms	10s	0.0 ¢ to 600.0 ¢
	Major 10-mosstep	M10ms	L + 9s	600.0 ¢ to 1200.0 ¢
11-mosstep	Minor 11-mosstep	m11ms	11s	0.0 ¢ to 660.0 ¢
	Major 11-mosstep	M11ms	L + 10s	660.0 ¢ to 1200.0 ¢
12-mosstep	Minor 12-mosstep	m12ms	12s	0.0 ¢ to 720.0 ¢
	Major 12-mosstep	M12ms	L + 11s	720.0 ¢ to 1200.0 ¢
13-mosstep	Minor 13-mosstep	m13ms	13s	0.0 ¢ to 780.0 ¢
	Major 13-mosstep	M13ms	L + 12s	780.0 ¢ to 1200.0 ¢
14-mosstep	Minor 14-mosstep	m14ms	14s	0.0 ¢ to 840.0 ¢
	Major 14-mosstep	M14ms	L + 13s	840.0 ¢ to 1200.0 ¢
15-mosstep	Minor 15-mosstep	m15ms	15s	0.0 ¢ to 900.0 ¢
	Major 15-mosstep	M15ms	L + 14s	900.0 ¢ to 1200.0 ¢
16-mosstep	Minor 16-mosstep	m16ms	16s	0.0 ¢ to 960.0 ¢
	Major 16-mosstep	M16ms	L + 15s	960.0 ¢ to 1200.0 ¢
17-mosstep	Minor 17-mosstep	m17ms	17s	0.0 ¢ to 1020.0 ¢
	Major 17-mosstep	M17ms	L + 16s	1020.0 ¢ to 1200.0 ¢
18-mosstep	Minor 18-mosstep	m18ms	18s	0.0 ¢ to 1080.0 ¢
	Major 18-mosstep	M18ms	L + 17s	1080.0 ¢ to 1200.0 ¢
19-mosstep	Diminished 19-mosstep	d19ms	19s	0.0 ¢ to 1140.0 ¢
	Perfect 19-mosstep	P19ms	L + 18s	1140.0 ¢ to 1200.0 ¢
20-mosstep	Perfect 20-mosstep	P20ms	L + 19s	1200.0 ¢

Scale tree

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