Nicki Minaj may have ignited the newest wave of female MCs, but emerging artists like Brianna Perry, Dominique Young Unique, Iggy Azalea and Nyemiah Supreme are blazing a hip-hop trail all their own.When rap chameleon Nicki Minaj dropped her 2010 commercial debut, "Pink Friday," hip-hop fans wondered if the former underground mixtape queen wasn't the beginning of a resurrection.