On the final stage of JTBC's "Sing Again - Unknown Singer" Season 4, which aired on the 6th, Slowly and Kim Jae-min each showcased their unique charms, capturing the attention of both the audience and judges. On this day's broadcast, a total of four singers—Slowly, Kim Jae-min, Dorado, and Lee Oh-wook—performed on the final stage.

Slowly took the stage as the first performer, choosing Jannabi's "Bongchum-eul Chune" (Dancing Bongchum). He reinterpreted the song in his own style, delivering a clean yet deeply emotional vocal performance. His relaxed stage manner and high level of completion earned praise from the judges. Baek Ji-young said, "Today's stage was really well-executed. It was impressive how relaxed you were during the performance," highly appreciating Slowly's stability and emotional expression. Taeyeon noted Slowly's growth, saying, "You looked very relaxed. While your previous stage had a strong cute vibe, today you showed a perfect performance, which surprised me." Lim Jae-beom gave a perfect score, stating, "I'll keep it short. It was perfect," expressing his deep impression of Slowly's stage.

Kim Jae-min, the second performer, selected Geeks' "Gaja!" (Let's Go!). He designed the stage with the meaning of "Let's go for first place." From the start of his performance, Kim Jae-min captivated the audience and judges with intense energy and confident attitude. Code Kunst praised, "This is what live performance is all about," adding, "It's a stage you have to see in person." Baek Ji-young commented on Kim Jae-min's performance, "If I had to mention a 0.1% shortcoming, it was a bit of nervousness, but it's a point he can improve on," acknowledging his stage presence. He scored 773 points, higher than Slowly, receiving perfect scores from Baek Ji-young and Lim Jae-beom.

This broadcast was the final episode of "Sing Again 4," where each singer fully expressed their individuality and charm, showing their passion for winning. The competition between Slowly and Kim Jae-min drew particular attention, with both singers demonstrating outstanding skills on the final stage. Dorado and Lee Oh-wook also gave their best performances, maintaining a tense and exciting competition.

"Sing Again - Unknown Singer" Season 4 left a strong impression on viewers by showcasing each singer's growth and transformation amid fierce competition. The results of the final stage are expected to have a positive impact on the future activities of each singer.