Kim So-hyun, Son Jun-ho and Hong Seo-beom appeared in the TV CHOSUN entertainment program ⁇ masterpieces studio - ⁇ masterpieces studio ⁇ which was broadcasted on the afternoon of the 10th. Kim Ho-joong ordered Kim So-hyun and Son Jun-ho to order duet songs on the spot, and asked about the merits of having the same job from the marriage story of two people. He continued his natural progress and made MC mechanics. The second guest, Hong Seo-beom, appeared in a surprise appearance. Kim Ho-joong showed his enthusiasm for the night when he left, and showed a duet stage with Hong Seo-beom on the spot. Kim So-hyun expressed his gratitude to Son Jun-ho for saying that he sometimes feels bad when he is on stage, but Son Jun-ho is very big. I have no secrets, "he said, telling a cute complaint that made everyone laugh. In addition, Hong Seo-beom received attention by placing an order to create a new club for singers, SONG Nolyya, in ⁇ masterpieces studio ⁇ . The first Hong Seo-beom song festival was held to announce the founding of the singer's own club, Songnori Ya, followed by a feast of fine songs. Here, Kim So-hyun and Son Jun-ho completed a beautiful harmony with my friend's friend, and eventually Hong Seo-beom was selected as the final winner.