1. High mountains and flowing water: Explanation: It is a metaphor for close friends or close friends. It also refers to the wonderful music. From "Liezi·Tangwen": "Bo Ya played the harp and played the harp, aiming to climb a high mountain. Zhong Ziqi said: 'How good, the high mountains are like Mount Tai.' Aiming on the flowing water, he said: 'How good, the ocean is like a river.' ”

2. The sound of nature: meaning: describes the sound as very pleasant and pleasant, which is the highest state of music. Pronunciation: tiān lài zhī yīn天声: the sounds of nature, such as the sound of wind, birds, running water, etc. Quotation: Qing Dynasty·Yuan Mei's "The Feiquan Pavilion of Xiajiang Temple": The sound of nature and the sound of man are transformed by contract.

3. lingering sound: meaning: describing the beautiful singing voice and leaving a deep impression on people.

Pinyin: yú yīn rào liáng

From: "Liezi·Tangwen"

Original text: After leaving; the lingering sound lingers; for three days, it does not stop; left and right. The person cannot leave.

4. Huang Zhong Da Lu?huáng zhōng dà lǚ?〖Explanation〗Huang Zhong: The first of the six Yang rhythms among the twelve rhythms of ancient Chinese phonology. Da Lu: The fourth of the six Yin laws. Describe music or words as solemn, upright, sublime and harmonious. ?〖Source〗 "Zhou Li·Chun Guan·Da Si Yue": "It is to play Huang Zhong, sing Da Lu, and dance on the cloud gate to worship the gods." Zheng Xuan's note: "If the sound of Huang Zhong's bell and Da Lu's sound is equal, Huang Zhongyang At the head of the sound, Da Lu joins him.

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