Major and minor tetrads

! majortet.scl

!

! Fokblock([35/32, 21/20, 15/14], [2, 2, 2]) = Fokblock([49/48, 21/20, 15/14], [2, 2, 3])

! = Fokblock([25/24, 15/14, 21/20], [2, 2, 3] = Fokblock([36/35, 21/20, 15/14], [0, 3, 3])

! = Fokblock([25/24, 15/14, 35/32], [1, 2, 3]) = Fokblock([21/20, 49/48, 35/32], [2, 1, 3])

! = Fokblock([36/35, 49/48, 15/14], [2, 3, 3]) = Fokblock([36/35, 21/20, 25/24], [2, 3, 3])

Major (otonal) tetrad

4

!

5/4

3/2

7/4

2/1

! minortet.scl

!

Minor (utonal) tetrad

! Fokblock([35/32, 21/20, 15/14], [2, 3, 2]) = Fokblock([49/48, 21/20, 15/14], [2, 3, 2])

! = Fokblock([25/24, 15/14, 21/20], [2, 2, 2]) = Fokblock([36/35, 21/20, 15/14], [2, 2, 2])

! = Fokblock([25/24, 15/14, 35/32], [3, 2, 2]) = Fokblock([21/20, 49/48, 35/32], [3, 1, 2])

! = Fokblock([36/35, 49/48, 15/14], [3, 2, 2]) = Fokblock([36/35, 21/20, 25/24], [2, 2, 2])

4

!

6/5

3/2

12/7

2/1