Yu Huiyeol’s Sketchbook is a Korean pop music program that is both a talk show and live music show. The host of this program is Yu Hui Yeol, also known as Toy, a one-man project band. Each week, various musicians from different field attend to perform their music and talk with Yu Hui Yeol. Some performances are hard to see anywhere else. Also, each week has a different theme and musicians talk about their life experience accordingly. Yu Hui Yeol prepares questions that viewers are curious about the musicians and asks in regards.