Chapter 1748 Taiyi Xianqin

Guqin also exists in the world of Tang Huan's previous generations.

There, the piano has seven strings. However, it is said that in ancient times, there were only five strings in the piano. The five elements of internal alloy, wood, water, fire and earth, the five tones of external palace, Shang, Jiao, Hui and feather, later, the King of Wen added one string, and the King of Wu added another string in the felling of Qixian. The seven-stringed piano has been handed down since then.

Guqin spewed out from the mouth of the harp and ray has different implications, and corresponds to the five elements respectively....