Who was the first author of Liang Zhu?

This is Zhan Hao. According to China Music Network, when was the violin concerto "Butterfly Lovers" written 1958, and the first edition of "Butterfly Lovers Quartet" was written as early as when he entered the Conservatory of Music. Why use China traditional melody with western orchestration to write Daqu? When writing butterfly lovers, use a famous tune from Yue Opera as the main melody of violin.