The famous editor of Cantonese music, Mr. Shen Yun Sheng, proposed the editor's note in "The Preliminary Collection of Qin Xian Music Scores" (1941) co-edited by nine people including Yan Laolie, He Liutang, Lu Wencheng, and Yin Zizhong: "" "Thunder in the Dry Sky" is the first section of the ancient score "Three Jewels Buddha". It is a collection of dangqin scores collected by former musician Yan Laoliejun. Yan Jun was the most refined dulcimer in his life. There are still dulcimer scores improved by him. Most..." After checking the above-mentioned music score books compiled by Shen and the earlier "Singing Strings Kuai Liang" and "Chinese String Songs and Organs" compiled by Shen, no works by Yan other than those listed above were found. The emergence of Yan's works such as "Thunder in the Dry Sky", "Thunder in the Spring" and "Lianlian Kou" have become a model for the dulcimerization of "Guangdong music" performance, laying the foundation for the style and characteristics of the dulcimer in Guangdong music and the creation of music, and opening up new realm.