Watch Beats of the Heart: No. 17 Cotton Mill Shanghai Blues: Music of China (1983) : Full Movie Online Free Music/Musical - This thought-provoking documentary examines the ancient musical traditions of China and the near-elimination of them during the Cultural Revolution of the 1980s. Among the subjects observed: one of the less than 100 Chinese citizens who can still play the traditional zither-like instrument known as the ququin, and a wild wedding celebration in Islamic northwest China.