Kim Yeon Woo is a South Korean singer, vocal coach, and professor at Seoul Art College. His birth name is Kim Hak Chul, but he also got the nickname "God of Vocals" thanks to his famous ballads, his smooth singing voice and his ability to hit high notes without difficulty. He's a famous singer who sang hit ballads on the project band "Toy". He gained a lot of fame from his participation on the show "I Am a Singer" in 2011, along with other appearances on other variety and entertainment shows. Kim Yeon Woo studied music at the Seoul Institute of the Arts. On his solo career, he released five albums. The last one, entitled "Forever Yours", came out in 2018. He's also the singer of numerous OST in movies and dramas, like "Boys over Flowers", "Brain" and "The Producers". (Source: Wikipedia) Watch drama online for free.