Katta Ashula
Katta ashula ("Great Song") or Patnis ashula ("Tray Song") is typical for the Ferghana Valley song direction and peculiar style of performance. It is performed by two or more (up to five) singers in turns and without accompaniment of musical instruments. Main features of this type of song is impromptu, a single rhythm, performance on a high pitch, with deep breath, free style and consonance of words and rhythm.