People choose people with similar musical tastes as friends.

But there is no doubt that music is a very powerful driving force in people's lives. Whether you turn up the volume or sing alone, whether you enjoy the music with great devotion, or just regard it as the background sound that doesn't greatly hinder your work, your choice of music is showing yourself to the people around you, even more real than your own personality and values.

Music has a chemical effect:

It plays a catalytic role in maintaining friendship and establishing new friendship. But science has not yet been able to explain clearly the influence of music on the establishment of social interpersonal relationships. Up to now, people have not yet realized that music has a far-reaching impact on human society. But this does not mean that we are ignorant of the influence of music. At least since the late 198s, researchers have been exploring how music affects people's social life.