1. People like some sad music the most when they are sad and troubled, thereby expanding their corresponding emotions, and these emotions will generate some motivation to solve problems (just like fear, which will produce a lot of motivation) Escape motivation; the same as a loving mother’s extraordinary motivation to save her son), and then solve the corresponding problem. 2. People like to listen to some calming light music when their thoughts are messy and irritable, which can induce various "calm" and "smooth" feelings and emotions, which is conducive to solving problems rationally and maintaining mental health. 3. When people are happy and passionate, they like to listen to some cheerful and dynamic music. 4. People who like to think about strange/special things will listen to more alternative music. 5. Various movie clips paired with corresponding music create various corresponding emotional atmospheres, which will make us look more emotional. Music is a form of social behavior through which people can communicate with each other about emotions and life experiences. This role is most prominent in the song.