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mightyscape-0.92-deprecated/extensions/scales/dudon_evan_thai.scl
2019-11-14 20:09:28 +01:00

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! dudon_evan_thai.scl
Evan differentially-coherent double Thai heptaphone
12
!
14107/14080
243/220
6235/5632
537/440
74/55
2373/1760
327/220
5243/3520
289/176
23171/14080
3193/1760
2/1
! Evan recurrent sequence 2x^5 = 16 - x
! (592 -537 = 55 etc.) x = 1.4864447215647
! the black keys follow a second spiral cycle x^7 / 16, or 3.67 c. higher
! Dudon 2009