! xen10-wilson-purvi-05-06.scl
!
Purvi modulation 6 from Figure 5, Didymus/Ptolemy (10/9 9/8 16/15) all 6 permutations
 7
!
 16/15
 32/27
 4/3
 3/2
 8/5
 16/9
 2/1
!
! Erv Wilson
! The Purvi Modulations
! Xenharmonikon 10 (1987)
!
! [info]
! source = Xenharmonikon
! whole_number = 10