Sung Si-kyung worked on a drama OST.

Waiting for the drama starring Park Seo-joon and Won Ji-an~~~

I'm looking forward to the drama. Oh~ Sung Si Kyung composed and sang the OST himself~

I'm looking forward to seeing what kind of song it will be since it was made with Park Seo-joon in mind.

You must be very tired after going through a hard time recently.

I see you working hard and consistently.

I think Sung Si-kyung is a really strong person~~

By the way, when was this picture taken? You're so slim???

[@star1 reporter Hwang Yeon-do] Singer Sung Si-kyung This drama OST announces the return of the crown prince.

Sung Si-kyung will meet listeners through 'What Day, What Feeling', which is scheduled for pre-release on December 4th. The song is from JTBC's new Saturday drama ' Waiting for the longitude As the OST of ', Sung Si-kyung not only sang the song but also composed and produced the entire song, heralding a high level of perfection.

'A certain day, a certain heart' is about the main character, Gyeong-do, Park Seo-joon This song was completed with Sung Si-kyung in mind, and is densely packed with Sung Si-kyung's unique delicate emotional lines and restrained sensibility. The melody, which conveys a gentle yet strong resonance, was born from Sung Si-kyung's fingertips, and the lyrics were written by Shim Hyeon-bo was in charge of the arrangement. cloud class Jeon Jin-hee The participation of the singer further enhanced the emotion and perfection of the song.

In particular, "A Certain Day, A Certain Feeling" is expected to be the main theme that most deeply captures the emotional flow of the drama. As the first drama OST in three years since "A Long Time" for the 2022 drama "Curtain Call," it is garnering anticipation from both music and drama fans.

Meanwhile, 'Waiting for Gyeongdo' stars Park Seo-joon and Wonji-an This work is receiving attention as a highly anticipated work for the second half of 2025, with Sung Si-kyung taking on the lead role, and it is expected that the drama's emotion and immersion will be further enhanced with Sung Si-kyung's participation.