1. Gold. In ancient times, copper was called gold, which refers to the metallic musical instruments such as the cymbals, bells and cymbals.
2. Stone refers to a musical instrument made of stone or jade, such as Qing. "Zhengzitong Shibu": "Stone, the name of musical instrument, is one of the eight tones." Generally, it is made of stone and jade, and gives out different sounds due to different sizes and thicknesses.
3. Earth refers to musical instruments made of clay, such as Yi and Yi. When singing, beating is the rhythm. In Historical Records, there is a record that Lin Xiangru forced the king of Qin to beat.
4. Leather refers to musical instruments made of leather, such as drums. Drums and bells are mostly used for sacrifices, dances, celebrations, wars, etc., so bells and drums are often collectively called, and there is a poem of "the music of bells and drums" in the Book of Songs.
5. Silk refers to stringed instruments, such as Qin, Qin, Zheng, Pipa, etc. Because most of their strings are made of silk, they are called silk.
6, wood, refers to wooden musical instruments, such as music, music, etc. Yi, also known as Guo, is shaped like a square bucket, with a wide top and a narrow bottom, and a very loud tapping sound. It is mostly used to direct the beginning and end of music. Tuo, also known as Tuo, is like a crouching tiger. It is used at the end of Yayue.
7, baa, refers to musical instruments made of gourd, such as sheng, spring, etc.
8. Bamboo refers to musical instruments made of bamboo, such as Xiao, Di, Fu, Zhu, Hu, Fu, etc.