Can music with a socially conscious message have a positive effect or a negative

Can music with a socially conscious message have a positive effect or a negative effect? Why? Give an example of a song that has addressed a social issue. How was it received? What role does the performer of the song play in the reception of the song’s message? Do the commercial aspects of the music business affect the role of the artist in terms of social commentary? Why or why not? Does art have the power to change minds?