The legend, the Butterfly Lovers (梁祝传说) tells the love story of Liang Shanbo and Zhu Yingtai. It is one of the Four Folk Legends of China and has a history of over 1600 years since its formation. The legend is based on the life and death love between Liang Shanbo and Zhu Yingtai, and was gradually developed into folk belief, folk art, literary creation and other comprehensive cultural expressions with a long history and rich forms. Among them, opera presents the most abundant forms. China has over a hundred opera types and almost every one of them has a play for the Butterfly Lovers.