9-11-13-15 by 3/2 bihexany

Circle diagram

The most complex 15-odd-limit Hexany, ofset by the simplest possible interval that does not repeat any notes. This creates a scale of 1 45/44 13/12 13/11 5/4 15/11 13/9 65/44 3/2 5/3 39/22 65/33 2/1, with steps of 45/44 143/135 12/11 55/52 12/11 143/135 45/44 66/65 10/9 117/110 10/9 66/65. The base hexany already has a small step of 66/65, this not only duplicates that, but also adds multiple 45/44's clustered adjacent to them, making for a very xenharmonic sound. Curiously enough, it does manage to avoid needing to map any note further than 100 cents away on a standard keyboard, which even some less closely clustered bihexanies do not.

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9 11 13 15 by 3/2 2-combination Bihexany
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