On the 'Lyricist Special' of the show, Yoo Sung Eun and Kisum teamed up for a cover of Lee Soo Man's "Wave". Kisum revealed, "I've been friends with Yoo Sung Eun since my trainee days. We've released an album together before too. It's my first time on the show, and I'm not nervous because I'm appearing with a friend."
Yoo Sung Eun also commented, "I think we'll do well because I'm with a friend I get along with well."
Though their modern rendition of the old hit received a great response, it was Lee Bong Geun who took the final win.