Mandi is a single-reed air-sounding instrument unique to Chamang people. In the Chamang village with beautiful scenery, every night, young men and women will be seen playing mangdi together.

The playing form of the mango flute is relatively unique, and both men and women must play together with each other. The man is on the left, the pipe body is horizontally to the right, the left hand holds the pipe head, the right finger presses the sound hole, and the mouth contains the pipe head reed, playing with a gentle air flow. The woman is on the right, the left hand supports the resonator placed obliquely on the ground, and the tail end of the main tube is put into the upper mouth of the resonator. According to the needs of the music played, the right hand fan, close, muffle, and release at the mouth of the tube, and sometimes use the mouth to the mouth of the tube. Exhale, so as to constantly change the timbre and change the volume. The sound sequence a, c1, d1, e1, g1, a1, c2.

Mandi has a rough pronunciation and a rich tone. It is mostly used for solo or accompaniment of folk songs, and it is an instrument that young men and women cannot do without when they are socializing and in love. There are "playing tune" and so on.