Music directly imitates the passions or states of the soul . . . when one listens to music that imitates a certain passion, he becomes imbued with the same passion; and if over a long time he habitually listens to music that rouses ignoble passions, his whole character will be shaped to an ignoble form.i
Aristotle recognized that music communicates emotion, and that immoral music can shape our character for the worse.
Rap sheets of rappers.