Group Shinhwa member Shin Hye Sung and singer Yim Chang Jung's collaboration song "Doll" was released on August 25.

Shin Hye Sung released the second song of his remake project, "Once Again."

To celebrate his 10th year of debut, Shin Hye Sung has been remaking his old songs as duets. Last month, he sang the song "Buen Camino" with Lyn.

Yim Chang Jung sent a request to Shin Hye Sung himself to work together. "Doll" is a duet song by Lee Ji Hoon and Shin Hye Sung written by their best friend, Kangta.

This song was reborn with the help of Lee Min Woo and Vibe as well as pianist Jang Jiwon on the show, KBS "Immortal Song."

Yim Chang Jung and Shin Hye Sung showed perfect collaboration and created a song that could even be better than the original.