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2025-12-31T10:45:13Z

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[[File:1-5-7-9-15_Dekany.png|thumb|Circle diagram.]] [[File:1-5-7-9-15_Dekany_(rotated).png|thumb|Circle diagram. (rotated)]] A [[15-odd-limit]] [[dekany]]. This creates a scale of 1 9/8 21/16 7/5 3/2 63/40 27/16 7/4 9/5 15/8 2/1, with steps of 9/8 7/6 16/15 15/14 21/20 15/14 28/27 36/35 25/24 16/15. This adds a number of simple septimal options to the basic 5-limit chords of the [[1-5-9-15 hexany]], making more of the notes functional as the roots for full chords, although the size of the largest step is still quite distinct from all the others. It has 4 perfect fifths, plus an additional one that is flat by a [[marvel comma]] and still quite usable as a regular fifth, although the unevenness of the scale means not all of them can be mapped to 7 steps above their roots on a standard keyboard.

<pre>
! 1-5-7-9-15_Dekany.scl
!
1 5 7 9 15 2-combination Dekany
10
!
203.910
470.781
582.512
701.955
786.422
905.865
968.825
1017.596
1088.268
1200
</pre>

Suggested keyboard mapping: Start on C, skipping the C# and Eb notes.

[[Category:Dekanies]]
[[Category:10-tone scales]]
[[Category:Pages with Scala files]]

1-5-7-9-15 dekany - Revision history

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