5-7-13-15 hexany

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Circle diagram.

A 15-odd-limit Hexany. This creates a scale of 1 15/14 13/10 39/28 3/2 13/7 2/1, with steps of 15/14 91/75 15/14 14/13 26/21 14/13. With every step larger than 100 cents, both perfect fifths and semiquartal intervals, this is both harmonically and melodically strong while also being quite easy to expand into a bihexany without adding any unusably small intervals.

! 5-7-13-15_Hexany.scl
!
5 7 13 15 2-combination Hexany
6
!
119.442
454.213
573.656
701.955
1071.701
1200

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