Nine notes startle the strings, the great sage leaves the sound Presumably, this music score has a close relationship with the great saint Yiyin, but the great saint Yiyin in the poem refers to the present mother Qin? Or the ruined harp? The law of inner penetration is mysterious, and the country is extraordinary It seems that there is something in the painting. It's a pity that there are many mechanisms in the secret way. At that time, we could only look at it from a distance, and we couldn't get close to the image at all. The guards of the Mufu in the secret way would die in it....