Route Army and sent to the village. To commemorate the Seventh National Congress of the Chinese Communist Party, the opera was first performed in Yan An in 1945, and was highly praised by the leadership of the Communist Party and achieved great success. Later, it was widely performed in the liberated area. The end of 1945 saw the Shanxi-Chahar-Hebei version. In order to meet the needs of " national salvation to prevail over cultural enlightenment", the play has been continuously adapted into different versions. In July 1947, Ding Yi, another opera co-author, made many changes and deletions to the Shanxi-Chahar-Hebei version, mainly to cut pregnant Xi Er's hard life after escaping to the cave. In 1950, the opera was further adapted into a new version by He Jingzhi. This revision followed Ding Yi's thought of deletion and modification, and also made major changes to the original play. These changes included some important parts of Xi Er's characters. At the same year, famous Japanese ballet dancer Mikiko Matsuyama and her husband Masao Shimizu came to China. They had watched The White-Haired Girl film and aimed to transfer the story into a ballet version. Five years later in Japan, Matsuyama played Xi’er in the ballet. In 1958, Mikiko Matsuyama and her ballet troupe performed the ballet version of The White-Haired Girl. This was the first time that The White-Haired Girl has performed in a ballet. Chinese ballet troupe performed the show in 1964. However, in the rehearsal stage, in order to better interpret the peasants, all ballet dancers lived with farmers in a small village to experience their lives. In 2015, Ministry of Culture of the People's Republic of China followed Xi's speech, which was about the literature and arts in China, and launched a revival tour of The White-Haired Girl. Under Peng Liyuan's artistic direction, the performance began in Yan’an. The tour incorporated 3D visual effects and ended in Beijing in Mid-December 2015. Related historical events Politics: In 1942, In Yan'an, Shanxi, Mao Zedong published a speech at the Yan 'an Forum on Literature and Art, in which he proposed that literature and art should be combined with the masses of workers, peasants and soldiers, rather than transcend classes. At the same time, the Communist Party comrades in Yan'an also launched the mass production movement and the rectification movement, which made the literary and art workers in Yan'an realize that they