On the August 7 episode of KBS’s “Immortal Songs,” various singers covered the past hits of legendary artist Gummy. Performers for the first part of the Gummy special included Ben, Soran, BTOB’s Eunkwang, Kim Yong Jin, HYNN, and Park Jin Joo. Spoilers This was BTOB’s Eunkwang’s first appearance on “Immortal Songs” in four years, having last appeared in