15L 2s

↖ 14L 1s	↑ 15L 1s	16L 1s ↗
← 14L 2s	15L 2s	16L 2s →
↙ 14L 3s	↓ 15L 3s	16L 3s ↘

Scale structure
Step pattern	LLLLLLLLsLLLLLLLs sLLLLLLLsLLLLLLLL
Equave	2/1 (1200.0 ¢)
Period	2/1 (1200.0 ¢)
Generator size
Bright	9\17 to 8\15 (635.3 ¢ to 640.0 ¢)
Dark	7\15 to 8\17 (560.0 ¢ to 564.7 ¢)
TAMNAMS information
Related to	2L 7s (balzano)
With tunings	4:1 to 5:1
Related MOS scales
Parent	2L 13s
Sister	2L 15s
Daughters	17L 15s, 15L 17s
Neutralized	13L 4s
2-Flought	32L 2s, 15L 19s
Equal tunings
Equalized (L:s = 1:1)	9\17 (635.3 ¢)
Supersoft (L:s = 4:3)	35\66 (636.4 ¢)
Soft (L:s = 3:2)	26\49 (636.7 ¢)
Semisoft (L:s = 5:3)	43\81 (637.0 ¢)
Basic (L:s = 2:1)	17\32 (637.5 ¢)
Semihard (L:s = 5:2)	42\79 (638.0 ¢)
Hard (L:s = 3:1)	25\47 (638.3 ¢)
Superhard (L:s = 4:1)	33\62 (638.7 ¢)
Collapsed (L:s = 1:0)	8\15 (640.0 ¢)
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15L 2s is a 2/1-equivalent (octave-equivalent) moment of symmetry scale containing 15 large steps and 2 small steps, repeating every octave. 15L 2s is related to 2L 7s, expanding it by 8 tones. Generators that produce this scale range from 635.3 ¢ to 640 ¢, or from 560 ¢ to 564.7 ¢.

Scale properties

This article uses TAMNAMS conventions for the names of this scale's intervals and scale degrees. The use of 1-indexed ordinal names is reserved for interval regions.

Template:MOS data is deprecated. Details: Please use the following templates individually: MOS intervals, MOS genchain, and MOS mode degrees

Scale tree

Scale tree and tuning spectrum of 15L 2s

Generator(edo)						Cents		Step ratio		Comments
						Bright	Dark	L:s	Hardness
9\17						635.294	564.706	1:1	1.000	Equalized 15L 2s
					53\100	636.000	564.000	6:5	1.200
				44\83		636.145	563.855	5:4	1.250
					79\149	636.242	563.758	9:7	1.286
			35\66			636.364	563.636	4:3	1.333	Supersoft 15L 2s
					96\181	636.464	563.536	11:8	1.375
				61\115		636.522	563.478	7:5	1.400
					87\164	636.585	563.415	10:7	1.429
		26\49				636.735	563.265	3:2	1.500	Soft 15L 2s
					95\179	636.872	563.128	11:7	1.571
				69\130		636.923	563.077	8:5	1.600
					112\211	636.967	563.033	13:8	1.625
			43\81			637.037	562.963	5:3	1.667	Semisoft 15L 2s
					103\194	637.113	562.887	12:7	1.714
				60\113		637.168	562.832	7:4	1.750
					77\145	637.241	562.759	9:5	1.800
	17\32					637.500	562.500	2:1	2.000	Basic 15L 2s Scales with tunings softer than this are proper
					76\143	637.762	562.238	9:4	2.250
				59\111		637.838	562.162	7:3	2.333
					101\190	637.895	562.105	12:5	2.400
			42\79			637.975	562.025	5:2	2.500	Semihard 15L 2s
					109\205	638.049	561.951	13:5	2.600
				67\126		638.095	561.905	8:3	2.667
					92\173	638.150	561.850	11:4	2.750
		25\47				638.298	561.702	3:1	3.000	Hard 15L 2s
					83\156	638.462	561.538	10:3	3.333
				58\109		638.532	561.468	7:2	3.500
					91\171	638.596	561.404	11:3	3.667
			33\62			638.710	561.290	4:1	4.000	Superhard 15L 2s
					74\139	638.849	561.151	9:2	4.500
				41\77		638.961	561.039	5:1	5.000
					49\92	639.130	560.870	6:1	6.000
8\15						640.000	560.000	1:0	→ ∞	Collapsed 15L 2s

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