Gain and loss, so Zhao's guqin is also; Nothing is lost, and the Zhao family does not play drums. "Who is this zhao? According to textual research, Zhao was a surname of Zhao in the Spring and Autumn Period. One day, the man heard someone playing the piano by the river. This piano is so beautiful that even the fish in the river jump up and down in the water with the music. Then Zhao Wen followed the piano sound and found the piano player. By the way, this man's name is Xianba. Xianba is a person who is good at piano in ancient books. Xunzi said in "Persuasion": "In the past, I played the drums and the piano, but the fish flowed out to listen; Boya can play the piano, while Liu Ma can. "It is said that these two people play the piano very well, and even fish and horses feel it. So after this Zhao Wen met Bazin, the official quit, so he worshipped him as a teacher, and later he played the piano very well. The Zhao Guqin mentioned here refers to Zheng's surname.