After arriving under a flurry of controversy with "Dr. Feel Good", the Rania girls are back with follow-up promotions with their "Masquerade" track on tonight's MBC "Music Core". "Masquerade" was written and produced by Teddy Riley, who also produced "Dr. Feel Good". An official stated, "'Masquerade' is a dreamlike song with a strong beat. Rania has prepared choreography that will make a strong impression." Check it out below!