Correct
八音
/ bāyīn /
Strokes
Definition
ancient classification system for musical instruments, based on the material of which the instrument is made (metal 金, stone 石, clay 土, leather 革, silk 丝, wood 木, gourd 匏, bamboo 竹)/the eight kinds of sound produced by instruments in these categories/music
Example
As a Noun
musical sound produced by ancient instruments of eight different materials (metal, stone, string, bamboo, gourd, clay, leather and wood)