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| {{Infobox ET}} | | {{Infobox ET}} |
| '''13ed9/4''' is the equal division of [[9/4]] into 13 parts.
| | {{ED intro}} |
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| == Scale tree == | | == Intervals == |
| Ed9/4 scales can be approximated in [[EDO]]s by subdividing their approximations of 9/4.
| | {{Interval table}} |
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| |
|
| {| class="wikitable"
| | == Harmonics == |
| |+
| | {{Harmonics in equal |
| ! colspan="4" |Major ninth
| | | steps = 13 |
| !Period
| | | num = 9 |
| !Notes
| | | denom = 4 |
| |- | | }} |
| |1/1
| | {{Harmonics in equal |
| |
| | | steps = 13 |
| |
| | | num = 9 |
| |
| | | denom = 4 |
| |''92.308''
| | | start = 12 |
| | Soft Phrygian mode begins
| | | collapsed = 1 |
| |-
| | }} |
| |
| | |
| |23\22
| | |
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| | {{stub}} |
| |
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| | 96.5035
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| |-
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| |22\21
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| |
| |
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| |96.703
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| |Soft Phrygian mode ends, Thirdtone Phrygian mode begins
| |
| |-
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| |21\20
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| |
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| |
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| |96.923
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| |-
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| |20\19
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| | 97.166
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| |
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| |-
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| |19\18
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| |97.436
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| |-
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| |37\35
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| |97.582
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| |-
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| |18\17
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| |97.738
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| |-
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| |17\16
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| |98.077
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| |-
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| |16\15
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| |98.4615
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| |Thirdtone Phrygian mode ends
| |
| |-
| |
| |15\14
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| |98.901
| |
| |Semitone Phrygian mode begins
| |
| |-
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| |14\13
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| | | |
| | | |
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| |99.408
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| |-
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| |27\25
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| |99.692
| |
| |
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| |-
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| |13\12 | |
| | | |
| | | |
| | | |
| |''100''
| |
| |
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| |-
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| |12\11
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| | | |
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| |100.699
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| |-
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| |11\10
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| |101.5385
| |
| |Semitone Phrygian mode ends, Intense Phrygian mode begins
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| |-
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| | 21\19
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| |102.024
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| |-
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| |10\9
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| |102.564
| |
| |Intense Phrygian mode ends, Intense Phrygian-Soft Aeolian mode begins
| |
| |-
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| |19\17
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| |103.167
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| |-
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| |9\8
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| |''103.846''
| |
| |Intense Phrygian-Soft Aeolian mode ends, Soft Aeolian mode begins
| |
| |-
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| |17\15
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| |104.615
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| |-
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| |8\7
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| |105.4945
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| |Soft Aeolian mode ends, Flattone Aeolian mode begins
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| |-
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| |15\13
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| |106.509
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| |-
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| |22\19
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| |106.883
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| |Flattone Aeolian mode ends, Meantone Aeolian mode begins
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| |-
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| |29\25
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| |107.077
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| |-
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| |7\6
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| |''107.692''
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| | Meantone Aeolian mode ends, Superpyth Intense Aeolian mode begins
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| |-
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| |20\17
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| |108.597
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| |-
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| |13\11
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| |109.{{Overline|09}}
| |
| |Superpyth Intense Aeolian mode ends, Ultrapyth Intense Aeolian mode begins
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| |-
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| | 19\16
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| |109.615
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| |-
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| |6\5
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| |110.769
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| |Ultrapyth Intense Aeolian mode ends
| |
| |}
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