1-3-9-13 stellated hexany

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Circle diagram.

A 13-odd-limit stellated Hexany. This creates a scale of 1 9/8 39/32 351/256 3/2 13/8 27/16 117/64 2/1, with steps of 9/8 13/12 9/8 128/117 13/12 27/26 13/12 128/117. While it only adds two notes to the base hexany, they are well positioned ones, slicing the largest steps in two to produce a fairly even scale with 6 perfect fifths that makes a good introduction to neutral harmony. As the most complex steps are only 352/351 away from the simpler 11/6 & 11/8, they can easily be interpreted as those intervals, giving the scale even greater coherence.

! 1-3-9-13_Stellated_Hexany.scl
!
1 3 9 13 1-3-combination Hexany
8
!
203.910
342.482
546.392
701.955
840.527
905.865
1044.437
1200

Suggested keyboard mapping: C D Eb F G Ab A Bb C.