This seems very close to remixing or covering music, which already happens on a big scale, with royalties in place. If they can clearly recognize someone's voic

This seems very close to remixing or covering music, which already happens on a big scale, with royalties in place. If they can clearly recognize someone's voice/style, then they would want a piece of the pie. Outside the law, music industry still has a lot of power, and platforms like Spotify are not going to risk those relationships.