3-7-9-13 hexany

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Circle diagram.

A 13-odd-limit Hexany. This creates a scale of 1 13/12 9/7 39/28 3/2 13/7 2/1, with steps of 13/12 108/91 13/12 14/13 26/21 14/13. The ratio between the largest and smallest steps is about 2.8:1 and even the smallest step is significantly larger than a 12edo semitone, making this a fairly evenly distributed hexany that is quite effective both harmonically and melodically while still sounding very distinct from an ordinary diatonic scale.

! 3-7-9-13_Hexany.scl
!
3 7 9 13 2-combination Hexany
6
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138.572
435.084
573.656
701.955
1071.701
1200

Suggested keyboard mapping: C Db E F# G B C