Chaeyeon Your Song: Jung

: It features the vocals of both lead actors, showcasing Jung's transition from idol (DIA, I.O.I) to a recognized actress and OST vocalist. Key Themes & Lyrics

: The title refers to the narrator becoming a source of comfort—literally "being the song"—that stays by the listener's side. Musical Style Genre : Acoustic Ballad / Pop OST.

: It was officially released in July 2018 alongside the drama's broadcast. Jung Chaeyeon Your Song

"Your Song" (also titled "") is a collaborative ballad featuring actress and singer Jung Chae-yeon and actor Kim Sung-cheol . Originally written by Sam Kim , the song served as a major Original Soundtrack (OST) for the 2018 musical drama To. Jenny . Background & Context

: The song is the emotional centerpiece of the KBS2 mini-series To. Jenny , where Jung Chae-yeon plays Kwon Na-ra, the first love and muse of an aspiring musician. : It features the vocals of both lead

You can find the track and official performance clips on major platforms:

: The recurring phrase "And I know, and I know... I know your sadness" reflects a deep understanding between the characters in the drama. : It was officially released in July 2018

The song is a gentle, comforting acoustic track that emphasizes emotional support and reliability.