Teacher Ye Lin, Executive Vice President and Secretary-General of Tao Di Art Committee of China National Orchestra Society, held a special lecture on "Feeling the Beauty of Tao Di-Flowing Millennium Ancient Rhyme" in Guangdong Teachers College of Technology, which was the first large-scale Tao Di lecture in Guangzhou and was warmly sought after by Tao Di fans. Tao Di is a submarine-like wind instrument which originated in Italy. It has a whistle and ten holes, and is usually made of clay. Tao Di has beautiful timbre, simple fingering, and Xiaoxing's voice is crisp and loud; The tone of the big star is low and euphemistic.