S1, E596: Balladeer Paul Kim is back to Sketchbook after 1.5 years and he is singing a wedding song for the couples in the audience who are getting married soon. Joining us today are a special group of actors, Oh Yeon Seo, Seo In Guk, Kwon Soo Hyun. The three actors go out of their way to deliver a high-quality performance. A Yeon is the Musician X this week. Dvwn makes his first solo appearance on the show.