Class 9: Four short lines with (7/8) main cadences (№ 139−145)
The distinguishing feature of Class 9 is the first high line moving on degrees 7-8, rising as high as the 10th degree sometimes (№ 139−140) and ending usually high (degree 7-8) (№ 141−144). They are mostly of Aeolian-Phrygian character, some of them (№ 141−144) are very popular and also have a variant with (5) main cadence. Lines 1 and 2 often form a valley jointly.
Group 9.1 contains tunes with 5(7/8)5 cadences; such are № 139 and Ex.9.1. of Aeolian-Phrygian scale and № 145 of mixolydian character.
Ex.9.1. Four short lines with (8) main cadence
To the larger group 9.2 with 7/8(7/8)x cadences belong the Phrygian-character № 140–144 of great popularity and Ex.9.2.
Ex.9.2. Four short lines with (8) main cadence