As of March 27, Justin Bieber's new hit song "Boyfriend" has made the top of the iTunes's list, passing "We Are Young", which has been #1 for the past few weeks. Bieber has been a hit for about 2 years now, starting with his first big hit- One Time. now that his voice has deepened and he himself is maturing, he wants his songs to mature with him as well. Unlike his old music, which included more upbeat songs and softer lyrics, his new song has more rap and moves faster.