2L 4s: Difference between revisions

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{{MOS intro}}
{{MOS intro}}
The only scale with this [[MOSScales|MOS]] pattern that's a really significant minimum of harmonic entropy is [[Diaschismic_family|srutal/pajara]], in which the period plus the generator is 3/2. Other scales include shrutar, in which the generator is '''half''' of that (about a quartertone), so 3/2 is a period plus two generators; and [[Porcupine_family#Hedgehog|hedgehog]], in which two generators make a 6/5, and 4/3 would be three generators (except that it doesn't appear in this MOS).


In addition to the true MOS with pattern LssLss, all these scales also come in a near-MOS version, LsLsss, in which the period is the only generic interval that has more than two specific representatives.
The only scale with this mos pattern that is a really significant minimum of [[harmonic entropy]] is [[srutal]]/[[pajara]], in which the period plus the generator is 3/2. Other scales include [[shrutar]], in which the generator is ''half'' of that (about a [[quartertone]]), so 3/2 is a period plus two generators; and [[hedgehog]], in which two generators make a 6/5, and 4/3 would be three generators (except that it does not appear in this mos).


Srutal/pajara probably has the lowest harmonic entropy of all 6-note MOS scales. The near-MOS version has even lower harmonic entropy.
In addition to the true mos with pattern LssLss, all these scales also come in a near-mos version, LsLsss, in which the period is the only generic interval that has more than two specific representatives.


==Modes==
Srutal/pajara probably has the lowest harmonic entropy of all 6-note mos scales. The near-mos version has even lower harmonic entropy.
 
== Scale properties ==
{{TAMNAMS use}}
 
=== Intervals ===
{{MOS intervals}}
 
=== Generator chain ===
{{MOS genchain}}
 
=== Modes ===
{{MOS mode degrees}}
{{MOS mode degrees}}


==Scale tree==
== Scale tree ==
{{Scale tree|Comments=6/1: Shrutar ↓;
{{MOS tuning spectrum
9/2: Injera is around here;
| 9/7 = [[Unidec]]
7/2: Srutal/Pajara is around here;
| 13/8 = Golden [[hedgehog]]/[[echidna]]
5/3: Hedgehod and echidna are around here;
| 5/3 = Hedgehog (optimal around here)
13/8: Golden hedgehog/echidna;
| 9/4 = [[Crepuscular]]
3/2: Optimum rank range}}
| 8/3 = [[Octokaidecal]]
| 7/2 = [[Pajara]]
| 9/2 = [[Injera]]
| 6/1 = [[Shrutar]] ↓
}}
 
[[Category:6-tone scales]]
[[Category:6-tone scales]]