In the film "From Mao to Mozart: Isaac Stern in China", there was a long speech by Tan Shuzhen, which left a deep impression on many people. It also aroused great interest of the film's producer, Walter Scheuer. However, the film was based on Stern's visit, and other content could not be covered too much. After winning the Academy Award for Best Documentary Feature in 1981, the film was screened... see more