Magic: Difference between revisions
Misc. improvements in the intro |
→Scales: 13-limit interpretations |
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Magic has certain properties that commend it as a step up in complexity from traditional harmony: | Magic has certain properties that commend it as a step up in complexity from traditional harmony: | ||
* It is the simplest mapping capable of tuning every [[9-odd-limit]] interval better than in [[12edo]]. | * It is the simplest mapping capable of tuning every [[9-odd-limit]] interval better than in [[12edo]]. | ||
* It is only slightly more complex than [[meantone]] (both work well with a 19-note gamut). | * It is only slightly more complex than [[septimal meantone]] (both work well with a 19-note gamut). | ||
* 5-limit intervals are generally simpler than 7-limit intervals. | * 5-limit intervals are generally simpler than 7-limit intervals. | ||
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* It is more complex than meantone (higher [[complexity]] and [[badness]]). | * It is more complex than meantone (higher [[complexity]] and [[badness]]). | ||
* The 3/2 approximation is 5 times as complex as the 5/4 approximation (the generator) so modulation by fifths is more constrained than you may be used to. | * The 3/2 approximation is 5 times as complex as the 5/4 approximation (the generator) so modulation by fifths is more constrained than you may be used to. | ||
For technical information, see [[Magic family #Magic]]. For a discussion on alternative 11- and 13-limit extensions, see [[Magic extensions]]. | For technical information, see [[Magic family #Magic]]. For a discussion on alternative 11- and 13-limit extensions, see [[Magic extensions]]. | ||
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| 3 | | 3 | ||
| 1141.4 | | 1141.4 | ||
| 27/14 | | 27/14, 35/18, 48/25 | ||
|- | |- | ||
| 4 | | 4 | ||
| Line 86: | Line 80: | ||
| 8 | | 8 | ||
| 643.7 | | 643.7 | ||
| (13/9, '''16/11''') | | 35/24, (13/9, '''16/11''') | ||
|- | |- | ||
| 9 | | 9 | ||
| Line 106: | Line 100: | ||
| 13 | | 13 | ||
| 145.9 | | 145.9 | ||
| (12/11, 13/12) | | 35/32, (12/11, 13/12) | ||
|} | |} | ||
<nowiki/>* In 7-limit CWE tuning | <nowiki/>* In 7-limit CWE tuning | ||
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{{See also| Magic Tetrachords }} | {{See also| Magic Tetrachords }} | ||
Because the generator is so close to 1/3 of an octave, and the interval left over is accordingly so small, all small magic mos scales consist of three large intervals alternating with three groups of this small interval. Specifically, there are the following scales, where s always represents the characteristic small interval, which simultaneously represents [[128/125]], [[36/35]], [[28/27]], and [[25/24]], as well as [[33/32]] and [[27/26]] in tridecimal magic. | |||
* [[3L 4s]]: LsLsLss, where L represents 6/5; | |||
* [[3L 7s]]: LssLssLsss, where L represents 7/6; | |||
* [[3L 10s]]: LsssLsssLssss, where L represents 9/8; | |||
* [[3L 13s]]: LssssLssssLsssss, where L represents [[12/11]]~[[13/12]] in tridecimal magic. | |||
=== Scala files === | |||
; Mos scales | ; Mos scales | ||
* [[Magic7]] – improper | * [[Magic7]] – improper 3L 4s | ||
* [[Magic10]] – improper | * [[Magic10]] – improper 3L 7s | ||
* [[Magic13]] – improper | * [[Magic13]] – improper 3L 10s | ||
* [[Magic16]] – improper | * [[Magic16]] – improper 3L 13s. The boundary of propriety is 19edo. | ||
* [[Magic19]] – proper [[3L 16s]]. The boundary of propriety is 22edo. | * [[Magic19]] – proper [[3L 16s]]. The boundary of propriety is 22edo. | ||
* [[Magic22]] – [[19L 3s]] | * [[Magic22]] – [[19L 3s]]. The boundary of propriety is 41edo. | ||
; Transversal scales | ; Transversal scales | ||
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! Comments | ! Comments | ||
|- | |- | ||
|[[16edo|5\16]] | | [[16edo|5\16]] | ||
| | | | ||
|375.000 | | 375.000 | ||
| | | Flatter tunings may be analysed as [[submerged]] | ||
|- | |- | ||
| | | | ||
|[[25/24]] | | [[25/24]] | ||
|376.443 | | 376.443 | ||
|1/3-comma | | 1/3-comma | ||
|- | |- | ||
| | | | ||
|[[125/72]] | | [[125/72]] | ||
|377.853 | | 377.853 | ||
|2/7-comma | | 2/7-comma | ||
|- | |- | ||
| | | | ||
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| | | | ||
|- | |- | ||
| | | | ||
|[[45/32]] | | [[45/32]] | ||
|380.929 | | 380.929 | ||
| | | 2/11-comma | ||
|- | |- | ||
| [[63edo|20\63]] | | [[63edo|20\63]] | ||
| | | | ||
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|- | |- | ||
| | | | ||
|[[75/64]] | | [[75/64]] | ||
|382.083 | | 382.083 | ||
|1/7-comma | | 1/7-comma | ||
|- | |- | ||
| | | | ||
| Line 333: | Line 333: | ||
| | | | ||
|- | |- | ||
|[[25edo|8\25]] | | [[25edo|8\25]] | ||
| | | | ||
|384.000 | | 384.000 | ||
| | | Sharper tunings may be analysed as [[anthoine]] | ||
|- | |- | ||
| | | | ||
| [[5/4]] | | [[5/4]] | ||
| 386.314 | | 386.314 | ||
| Untempered | | Untempered | ||
|} | |} | ||
<nowiki/> * Besides the octave | <nowiki/> * Besides the octave | ||