The fourth episode of Liu Laogen's duet Yu Tang Chun sings Zou Xiaolong and Xiao Doudou who has been to Liu Laogen's big stage.

Liu Laogen refers to Liu Laogen's big stage, which is located in Shenzhen Modern Performing Arts Center at the foot of Lianhua Mountain in Futian District, Shenzhen. Shenzhen "Liu Laogen Grand Stage" is a key project of Benshan Media Performing Arts Industry in 20 14, which was officially opened in April of 20 14. This is the first time that Zhao Benshan has crossed the Yangtze River and invested heavily in the south.