This depends on both the music in question and your jurisdiction. There is nothing inherent about "music" that makes it illegal to share it with others. Is it Taylor Swift or something your friend recorded? It makes a big difference.
This is a tool to satisfy the use case of sharing music with others. Sometimes such sharing will be illegal, but at other times it won't.
This is a tool to satisfy the use case of sharing music with others. Sometimes such sharing will be illegal, but at other times it won't.