You Hee-yeol's Sketchbook is a Korean pop music program that is both a talk show and live music show. The host of this program is You Hee-yeol, also known as Toy, a one-man project band. This program has aired since April 24, 2009.
Pop stars and impersonators face off to be the last one standing as the audience tries to determine the real singer by listening to their voices only.
