In the 1960s, the musicians of the Xinjiang Uygur Autonomous Region Song and Dance Troupe cooperated with the Uyghur musical instrument makers of the Urumqi Yidi Boke Musical Instrument Factory to design and develop the bass Aijie. The appearance is the same as that of the midrange Aijie, but the resonance box is significantly enlarged. The spherical body is made of 32 pieces of waln...