Kalongqin (pinyin: kǎnóng qín) is an ancient stringed instrument with the most strings in Uyghur musical instruments. It is called the seventy-two-stringed pipa and "Karnai" in the historical records of the Qing Dynasty.

According to historical records and speculations by some scholars, the kalong qin that is now popular in Xinjiang may have been created by Abu Nasr Farabi (about 870-950 AD). According to legend, Farabi created the first caron by hollowing out a thick poplar, using animal bones as the shaft and sheep intestines as strings. Later, the sound box was used to replace the poplar wood shell, the steel string to replace the sheep intestine, and the iron shaft to replace the animal bone.

The modern Uyghur folk popular kalong qin, the body is made of mulberry wood, the resonance box is a hollow flat trapezoid, the left is curved and the right is straight, like the left half of the yangqin. It can be used for solo, instrumental ensemble or accompaniment for folk songs and dances, with rich expressive power.

Among the Uyghur people in southern and eastern Xinjiang, during festivals, weddings, midsummer nights or after harvests, people often gather together to hold a singing and dancing "Machi Laifu" to express their inner joy, while young men and women use It conveys love. Caron is an inseparable musical instrument for playing the classical music "Twelve Muqam" in "Maxilapu". The loose part of "Daolang Muqam" can best exert its rich style characteristics.