What kind of opera style does the piano work Variations on the Theme of Butterfly Dancing belong to?

Variations on the Theme of Butterfly Dancing is a collision and fusion between Guangdong folk music and western piano playing skills, and a dialogue between China folk traditional music and western music creation skills.

Extension: Variations on the theme of Butterfly Dancing is a piano work adapted by the famous composer Mr. Chen Peixun based on the long-standing instrumental music in Guangdong music scene. The original song is usually played together with two other ditties, Narcissus and Liu Qingniang. Because each phrase is repeated and appears in pairs, it is called flying in pairs. After adaptation, based on the theme of Flying Butterfly and Daffodil, each variation adopts different types of flowers from the original song, and is developed by using foreign variation forms and development techniques, which makes it have special artistic effects in the development of music structure, the rendering of national characteristics, the use of harmonic vocabulary, and the play of piano skills. It is a well-known excellent chapter. Through variation and development, Mr. Chen Peixun has developed, expanded and perfected the structure and musical expression of the theme in different paragraphs, making it a distinctive adaptation.