Knowledge about music. Song Shen Guo's Meng Qianbi Tan Yuelu II: "Tang people have profound knowledge of music and elegant methods. Today, there are many ancient sounds in Yanle, and the new sounds are irregular. " Diligent and eager to learn. "Book of Rites": "Don't be polite if you don't learn miscellaneous clothes; If you are not interested in art, you can't study happily. " Confucius' Ying Da Book: "If you don't like his miscellaneous arts, you can't enjoy what you have learned."

Word decomposition

Interpretation of musical happiness: happiness. Happy land. Happy. I am ecstatic. It was fun. Optimism (cheerful spirit, full of confidence in the development of things) Lotte (content with the status quo without any worries) What makes people happy: Have fun. Amuse. Willing to do something: Willing to learn hermeneutics (learning) follow the trend, delve into knowledge, acquire knowledge, read: students. Apprentice. Study, study. Xueyou scholars. Learn valves. Education system education. Handan toddler (mocking people who only know imitation, are not good at learning and have no achievements, also called "Handan toddler"). The place to impart knowledge: school ("learning" for short)