Singers Sandeul and Lim Kyu-hyung won the final victory on episode 726 of KBS 2TV's variety show "Immortal Songs." The episode aired on October 11 and was a special feature titled "Artist Park Jung-hyun," highlighting South Korea's representative R&B diva Park Jung-hyun. Various vocalists appeared on the show, including Solji x Jung Joon-il, Sandeul x Lim Kyu-hyung, ONEWE, Lee Mu-jin, HYNN (Park Hye-won), and Forte na.

MC Shin Dong-yup introduced the first stage by saying, "The agency decided to cast this person not because of their singing skills but because of their smile." Sandeul took the stage first, revealing his complex feelings with the phrase "It's me." Sandeul and Lim Kyu-hyung chose Park Jung-hyun's classic song "In a Dream" and delivered a fantastic harmony. Jung Joon-il, who watched the rehearsal, admired their performance, saying, "I think they will win." During the main stage, he praised them further, saying, "I felt sorry for clapping. I was completely absorbed."

The second stage featured ONEWE, who reinterpreted the duet "A Wound Deeper Than Love" by Park Jung-hyun and Lim Jae-beom. Lee Jung-hyun expressed amazement, saying, "Can you sing like this? I will definitely visit their concert," but they could not surpass the wall set by Sandeul and Lim Kyu-hyung. Following them, HYNN, Forte na, and the Solji x Jung Joon-il team performed. Especially, Solji and Jung Joon-il chose the song "Mia," showcasing perfect chemistry. Park Jung-hyun shared, "This song is my most cherished," and revealed, "At the time, I urgently asked Yoon Jong-shin to write the lyrics." Shin Dong-yup humorously responded, "Yoon Jong-shin who delivers immediately if you pay," eliciting laughter.

The final stage was performed by Lee Mu-jin. He shared his connection by saying, "Six years ago, I went to Park Jung-hyun's concert to study for the practical music department entrance exam." He then passionately sang "At the Hair Salon," leaving a deep impression. After watching the stage, Park Jung-hyun said, "I didn't cut my hair, but I threw away my clothes. I have many photos from long relationships, but I can no longer wear the clothes in those photos," resonating with the audience.

The stars of the day's stages were Sandeul and Lim Kyu-hyung. Despite being the first performers, they achieved an impressive four consecutive wins and took the final victory. Their outstanding skills and stage manners captured the hearts of both judges and the audience. Through Park Jung-hyun's music, they delivered touching moments, making their win even more meaningful.

"Immortal Songs" highlights various artists and their music every week, providing viewers with moving performances. This special episode offered an opportunity to reexamine Park Jung-hyun's music and showcased the diversity of music through various artists' interpretations of her songs. The victory of Sandeul and Lim Kyu-hyung proved their talent and teamwork.