The characters in the song. According to the query on NetEase Cloud Music APP, Mr. Tianluo and Miss Chopsticks are two characters in the Chaoshan folk song "Usuli Boat Song". Miss Chopsticks refers to the Chaoshan people, and Mr. Tianluo refers to the Hakka people. "Ussuri Boat Song" is a song written by Guo Song and Hu Xiaoshi, composed by Guo Song and Wang Yuncai, and sung by Guo Song. The excerpt of the lyrics is "The Wussuri River is long and long, the blue river water is making waves, and the Hezhe people are spreading away. Thousands of nets, the boat is full of fish and the cabin is full of fish."