1. What words can be composed of the sounds of music: sound, music, volume, pronunciation, high pitch, sound, voiced sound, noise, note, lingering sound, rhyme, echo, close friend, polyphonic word, extravagant sound, Zhiyin, Yao no news, homophones, five tones, lingering sounds, dialects, light music, broadcasting, labial and dental sounds, Cantonese music, vowels, murmurs, recordings, pinyin letters, audio, Guanyin soil, nine-note gongs, intonation, heart sounds, Trills, phonemes, International Phonetic Alphabet, overtones, straight sounds, alveolar sounds.

2. Yin (Pinyin: yīn) is a commonly used character in Chinese, and its glyph first appeared in Spring and Autumn bronze inscriptions. The original meaning of yin is sound, which is extended to mean news, such as news and good news. Also extended to syllables. Also refers to music. It is said that the original meaning of "yin" is music, and later it refers to general sound.