This article explores the octave scales (advor) of the tanbur as structured modal models of the Tajik-Uzbek tradition with functional centers, stable and unstable steps, microinterval ornamentation, and melodic movement. Using the example of the penta-tetrachord model of the octave scale of the doirai Rost, the arti
Abdurashidov Abduvali Abdulmadjidovich (Sat,) studied this question.