1-3-13-15 by 18/13 bihexany
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A 15-odd-limit Hexany. This creates a scale of 1 65/64 13/12 9/8 5/4 135/104 18/13 45/32 3/2 13/8 45/26 15/8 2/1, with steps of 65/64 16/15 27/26 10/9 27/26 16/15 65/64 16/15 13/12 180/169 13/12 16/15. This is probably the best way of filling in the large gap in the base hexany, keeping the smallest step the same size while reducing the largest step to a 6.8:1 ratio. It has 6 notes with perfect fifths above them, and these have a rich selection of 5-limit major & minor chords and barbados ultramajor & inframinor chords to choose from, letting you shift easily between familiar and xenharmonic sounds.
! 1-3-13-15_by_18/13_Bihexany.scl ! 1 3 13 15 by 18/13 2-combination Hexany 12 ! 26.841 138.572 203.910 386.313 451.651 563.382 590.223 701.955 840.527 949.696 1088.268 1200