What is music? Music is an art for people to express, express, and express their feelings. Whether it is singing, playing, or listening, it contains factors that relate to people's inextricable emotions. Music is a direct simulation and sublimation of human emotions. People can generate cognitive and moral power from the process of music aesthetics and through emotional expression and feelings. Why can music express people's emotions? Because of the connection or overlap between sounds, there are levels, density, strength, shade, lightness and darkness, hardness and softness, ups and downs, disconnections, etc. It has a certain relationship with the pulse rhythm and emotional ups and downs of people, etc. . Especially on people's psychology, it will have an impact that cannot be described in words

. Broadly speaking, music is any arrangement of sounds that is artistic, enjoyable, sacred, or otherwise. The so-called definition of music still exists in fierce controversy, but it can usually be explained as a series of temporal organizations for sound and silence, and contains rhythm, melody and harmony of different scales. Music and people's life taste, aesthetic taste, Speech, behavior, interpersonal relationships, etc. are all related to a certain extent. Therefore, elegant music and vulgar music have very different effects on people. Or, simply put, it is pleasant "noise".