A profile of South Korea's Galaxy, which is trying to disrupt K-pop's traditional idol system by blending AI characters and life-size robots, as it plans an IPO (Sohee Kim/Bloomberg)

Sohee Kim / Bloomberg: A profile of South Korea's Galaxy, which is trying to disrupt K-pop's traditional idol system by blending AI characters and life-size robots, as it plans an IPO - Humanoid robots dressed in black, luxury hip-hop outfits snap into formation, moving in perfect sync to K-pop songs.