Ling doesn't doubt why playing the piano is good.

1. In The Moon Rises to the Sea, Ling doesn't doubt that he plays the piano himself. Once the emperor wanted to listen to him play the piano, but he refused because he hadn't practiced for a long time. Finally, when giving gifts, the emperor was very satisfied with the gift of the prince compared with the gift of the third prince. When asked why he played so well, Ling had no doubt that he had studied since childhood.

2. The Moon Rises into the Sea is a TV series directed by Yang Fei and starring Leo, Zhao Rusi, Ceng Li and Guo Tao.