Roxiny, a New York City-based songstress, plays the role of a transcendent top model in “Belong.” Clad in all white, the Dominican dance pop singer mysteriously traipses on the sandy shores of a beach and throughout the forest, pursuing a mysterious young girl who represents a metaphor of life. While we follow the storyline, we’re transfixed by the techno undertones and Roxiny’s breathy, heavenly voice.