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