This week, several of the top rap and R&B stars released new songs that have have already built an impressive buzz. Chris Brown takes aim at a relationship gone bad with Nas; Lupe Fiasco challenges the use of the B-word in hip-hop; Nas collaborated with Rick Ross; and T.I. returned to the street sound that made him famous in the mid-2000s.
Click continue to listen to the 10 hottest new songs of the week.
