Descending and convex lines being frequent in the music of other Turkic groups, too, their ocurrence in many Kyrgyz twin-bar melodies is not surprising. The most frequent lines descend or outline a hill on the notes (G)-E-D-C-G, or C-D-E-(G)-E-D-C/G, respectively (Ex.7, №34-40). Such twin-bar tunes often occur in many folk musics, including Turkic musics, and constitute significant tune groups as they do in Kyrgyz folk music, too.

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Example 7 Twin-bar tunes with descending/hill-shaped lines1