Part two

PRINCIPLES OF COMPOSING MUSIC
IN AZERBAIJANI MODES IN FOLK STYLE

I. STRUCTURE OF PERFECT QUARTES

C. Table of permissible leaps

Rules

1. Two leaps in one and the same direction are not permitted.

2. Octave leaps neither within mode scale boundaries nor outside them are also prohibited.
Note. Leaps and gradual movement outside the scale boundaries would result to tonic and the whole scale transition to another octave.

3. Whole tone step in one and the same direction after the leap is not permitted.

4. After the whole tone move, leaps in that direction are prohibited.

5. After the leap to the third in the ascending direction a semitone step in the same direction is prohibited.

6. After the step to the third in the descending direction a semitone move in the same direction is prohibited.

D. Full and half cadences

Full cadences end in the tonic of the mode. Examples of full cadences:

a) Gradually from above:

b) With a leap to the subtonic:

c) Gradually from below:

d) Directly by downward leap:

е) Directly by upward leap:

f) Special type of a full cadence:

Stops in the quinte, the third, the quarte, the subtonic and the mediant form half cadences.
It is possible to approach these degrees only gradually from above or below.

Examples of half cadences:

 

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