Bolu, a single-reed gas-sounding musical instrument of the Zhuang nationality, is an inseparable folk musical instrument in the villages of the Zhuang nationality during festivals, festive occasions or during slack farming.

When playing the bolu, place the tube upright, hold the bolu with both hands, the right hand is at the bottom, the ring finger, middle finger, and index finger are on the first, second, and third holes, and the left hand is on the top, and the fourth, fifth, and sixth holes are on the ring finger, middle finger, and index finger. , the thumb presses the back hole. The mouth contains the first reed, and it is played by the cyclic ventilation method, which can make the music continuous.

The barrel tone of Bolu is generally in the range of g-d1. The most common ones are c1. The sounds are listed as c1, d1, e1, f1, g1, a1, bb1, and c2. blow.

The sound of Bolu is clear, crisp and bright, and the volume is large. Often used for solos, ensembles, or to accompany folk songs. He is good at playing warm and cheerful tunes, mostly from folk songs or minor tunes.