The 10th original soundtrack of Tving’s reality show “Seoul Check-In” by Lee Hyo-ri and Lee Chan-hyuk of AKMU will drop on Friday at 6 p.m.

“Seoul Check-In” revolves around singer Lee Hyo-ri and her travels in Seoul, and the people she meets. Lee currently lives on Jeju Island with her husband Lee Sang-soon.

The new soundtrack, titled “Free Smile,” features Lee collaborating with Lee Chan-hyuk to sing her emotions out while she films for a photo shoot.

The process of how the two singers work together on the music was released through the show's eighth episode, released on Tving on June 10.

Other guests of the show included singers BoA, Uhm Jung-hwa, Hwasa, Kim Wan-sun, Rain, Eun Ji-won, Shinji, Kim Jong-min and comedian Park Na-rae.

BY LEE JAE-LIM [lee.jaelim@joongang.co.kr]