Korea's top artists Yoon Jong-shin, UV, Yoon Min-so and Soyou send 'love calls' to mystery singers that they would like to create new songs and performances with.
Premiere: 1 August
On Air: Every Thu 23:00 (GMT+8)
Genre: Variety
Cast: Kim Jong-kook, Yoon Jong-shin, Soyou, Yoon Min-soo and UV
