1, the mating piano is named after it is made of a burnt phoenix tree, and it is named after the tail of the piano just leaves a burnt trace.

2. Jiao, one of the four famous pianos in ancient China. Compared with the other three pianos, "Jiao Wei" has a straightforward name, but its life experience is unusual, which is why it was created by Cai Yong, a famous person in the Eastern Han Dynasty. "The Biography of Cai Yong in the Later Han Dynasty": "Some people in the State of Wu burned tung for food, and only heard the sound of fierce fire. Knowing that its wood is good, it is cut into a piano because of invitation. If its voice is beautiful and its tail is burnt, it is called mating Qin Yan. " Later, Qin was called Jiao Tong.