Duet Music Festival

Episode 21 (1x21)

Air date: Sep 09, 2016

Competitors: Tei & Lee Seon-mi; JeA (Brown Eyed Girls) & Lee Jin-soo; Han Dong-geun & Choi Hyo-in; Minah (Girl's Day) & Ahn Se-jong; Solar (Mamamoo) & Dong Seon-ho; and Lee Seok-hoon (SG Wannabe) & Kim Chang-soo