You Hee Yeol is a South Korean singer-songwriter, producer, and television personality. He is best known for his work as the host of the popular music show "You Hee-yeol's Sketchbook," which has featured performances by some of the biggest names in Korean music. You Hee Yeol has also released several successful albums of his own, including "Director's Cut" and "A Walk Around The Corner." His music is known for its mellow, acoustic sound and introspective lyrics.