Yan Qingdi (pronounced "di").
It means that the melodious music resounds in the reeds of the world. Green Di is a reed-like plant that grows by the river. It has purple flower spikes that look like forget-me-nots.
From the poem "Send Shentu Zhengzi to Hunan to welcome his relatives and pay a visit to Zhao He..." written by Lu Lun, a famous poet of the Tang Dynasty:
The dawn moon reflects the mist on the water, and the waterside is full of history. Yangshan.
Thousands of ships of goods are under Zhuqiao, and there is a song of Luyan Qingdi.
When Pan Ling is drunk, he should accompany Yu Gong when he goes upstairs.
If Huan Yuruo asks about the plan of traveling south, I know that I will return the lost rice even if I miss the end of the world.