When was the large-scale dance epic Dongfanghong created?

19641010.2, to celebrate the 15 anniversary of the founding of People's Republic of China (PRC), famous artists from all walks of life collectively created and performed a large-scale music and dance epic "Dongfanghong", which premiered in the Great Hall of the People. It takes the revolutionary historical songs that best reflect the spirit of China's revolutionary history at all stages as the basic theme of each music, and changes and develops them according to the needs of the content, creating a large number of heroes, with magnificent composition and great momentum, and making new great achievements in the revolutionization, nationalization and popularization of song and dance art.