The Gongdiao he talked about is actually the Gongdiao theory in music research, which should be generalized. However, the ancient music in China is derived from the mode creation of pentatonic scale. I can recommend some ancient songs similar to "Chasing the Moon in the Clouds".

Sunset flute and drum, xiaoxiang water cloud, fishing boat singing late, plum blossom play, drunkenness, good night, rain hitting banana. ...