Pagina inicial: http://www.antenna.co.kr/front/main.do#/front/artist.do?SEQ=1
Também conhecido como: 유희열, 토이, Toy, Yoo Hee-yeol, 柳喜烈
Biografia: You Hee-yeol is a South Korean singer-songwriter, radio DJ, and the host of You Hee-yeol's Sketchbook. He is the founder of the record label Antenna Music and the sole member of the project band Toy.