周代的声、音、乐三者概念界限分明,声是指单个的乐音。《乐记》郑注中所谓“宫商角徵羽,杂比曰音,单出曰声”。音是指若干个乐音有机地结合在一起,即乐曲。《乐记.乐本》中说的“声成文,谓之音”。如果再配以有一定内容或情节的舞蹈和干戚羽旎等仪仗道具,便是乐。《礼记》:“ The sound of the Zhou Dynasty, sound, music concept of three distinct boundaries, the sound refers to a single tone. “Music Note” Zheng note in the so-called “palace business feather feather, hybrid sound, single sound.” Tone refers to a number of musical organically together, that is, music. “Music in mind. Leben” said “voice into the text, that sound.” If accompanied by a certain content or plot of dance and dry feather yi Ni instrument such as props, it is music. “Book of Rites”: "