top: options for the 6th and 7th melodic degrees in the upper tetrachord of the minor scale
(1 1 ½ in both directions)
middle: hexachordal scale structure with functions
options for the 6th and 7th melodic degrees in the minor scale
top: options for the 6th and 7th melodic degrees in the upper tetrachord of the minor scale
(1 1 ½ in both directions)
middle: hexachordal scale structure with functions