[Official jte] [LIVE] JTBC Monday Performing Arts [Sing Again-Unnamed Singer Battle] Production Presentation _Lee Seung Gi_, Yoo Hee-yul, Lee Sung-hee, Kim Ina, Kyuhyun (SUPER JUNIOR), Sung-mi, Lee Heli (DAVICHI_) _, MINO (ผู้ชนะ)