What I Want To Know About My Topic

I want to find out whether there is a correlation between the music someone listens to and their academic achievemnt. How is music related to teen's grades? Why is explicit and violent music looked at negatively by society as a whole? Should teens be restricted from violent music if there's a negative affect? What if music has a good affect on teen's grades? regardless  of explicit language. Which genre of music has the greatest effect on teen's grades? I'd like to see the answers to these questions, and I hope to discover the answers through my research.