If this is for a class such as Comm 2200, I would start with the COMM 2200 Fundamentals of Communication research guide.
It covers resources forcontroversial topics, as well as help on choosing and refining a topic.
You might start with a JEWL Search (see below for link). I found a lot of material by using Advanced search and typing in "teens* in the first box and "music" in the second.
Be sure to limit toFull Text(in the left column) to be able to read the entire article.