You can't please everyone. People would complain saying you haven't changed at all in 15 years and they're bored with it if you never changed I'm sure. But on the real, I'm not sure in what ways you're saying that your music has matured? In what way? In all honesty, I wouldn't call anything on this song "mature" in nature unless you mean it's not for kids. But either way, I thought it was tight