"Exploring Qingshui River".

According to Kugou music information: There is a Song Laosan from the Firearms Camp of the Blue Indigo Factory in the west of Beijing. His song is "Exploring Qingshui River". Singer: Zhang Yunlei. Release date: 2018-05-27. Lyrics: "This Matter" Well, there is a Song Laosan in the Firearms Camp of the Blue Indigo Factory in the west of Beijing."

"Exploring the Qingshui River" is a popular narrative song in the Firearms Camp of Haidian District, Beijing. It tells the story of a love tragedy similar to that of a peacock flying southeast that happened in Huoqiying Village in the late Qing Dynasty and the early Republic of China. In the past, there were polishing factories in Beijing, mainly small workshops specializing in printing, such as Eryoutang and Baowentang. They often produced small songbooks, and this song was included in many small songbooks.