Only 2 and 3 and 7 allowed (7 limit piano improvisation)

For William Lynch who wanted some 2, 3, and 7 Limit (omit 5 limit) music to listen to. A humble improvisation with the tuning displayed below.

! E:\cakewalk\scales\2-3-7-only.scl
!
2.3.7 only
5
!
7/6
7/5
3/2
7/4
2/1