“Autumn Moon over Calm Lake,” also known as “Intoxication in Peace,” is a masterpiece of Guangdong music master Lyu Wencheng. It’s said that the piece was developed from the “Joyous Song” in the eight big sets of Jiangnan Sizhu (southern Chinese string and woodwind music). This song is widely circulated in Cantonese opera music. In the 1930s, Lyu…