Each dancer contributes a unique personality and approach to the parade of styles, but when they all perform together it is as if they had been together forever. Each has a solo and a chance to speak about how they came to love hip-hop and how it changed their lives. Several impressed: Choung Woo Hyun has an elegance and lanky quality; Irina Brigita Laiciu's bare midriff is as expressive as any ballerina's toe-sh…