It’s a survival audition program to discover a singer who can sing the songs from the 70s to 90s in the sense of modern times. Legendary judges consist of Bae Chul Soo, Lee Seung Chul, Kim Hyun Chul, Jung Jae Hyung, Gummy, Solar, Kang Seung Yoon, and fantastic host Sung Si Kyung’s witty words will t...