It is the falling şed of Buselik Makam on Yegah tone and formed by the addition of Buselik Pentachord on Yegah tone to Kürdi Tetrachord (sometimes Hicaz Tetrachord) on Dügah tone.
Musical development; starts from around "Tiz Neva" note. The modulation of Kürdi or Hicaz on Neva tone is done. Tonics are Tiz Neva and Neva tone. The final tone is Yegah after the leading tone Kaba Nim Hicaz ton.