Lee Hyuk of rock band Norazo has been revealed to be CHAOS's vocal instructor! CHAOS recently released their debut single, "She Is Coming", which was the result of much training by senior Lee Hyuk. Lee Hyuk is already known for his powerful, yet refreshing vocals from his fifth album, "Sales King" and through�KBS's 'Immortal Song 2'. His 'shouting technique' in his singing has been acknowledged by fellow singers and fans. After learning of this discovery, netizens commented, "No wonder they sing so well, they are juniors of such a senior," "Now I want to hear how CHAOS would sing rock music," "Hopefully CHAOS can be acknowledged for their talent like Lee Hyuk," and "I wonder how Lee Hyuk would teach?" If you've never heard Lee Hyuk belt out a song, check out a live performance video below: Source + Photos: Star Today via Nate