Actually, Liang Zhu is a drama. What you should say is the score of Liang Zhu's plays. It's called becoming a butterfly. There are all kinds of musical instruments that play very well. To say what genre, the basic songs are now divided into many parts according to western symphonies, waltzes and so on. Many of these classic songs of China are called China folk songs. It's sad and beautiful, and it sounds good. That's about it, among which erhu, flute, piano and guzheng/guqin are all very good.