: Sofia Carson co-wrote the track alongside Grammy-nominated songwriter Justin Tranter .
"I Didn't Know" is the fourth track on the official soundtrack for the 2022 Netflix film Purple Hearts . Performed and co-written by the film’s lead actress and executive producer, Sofia Carson , the song serves as a pivotal emotional anchor for the movie's conclusion. Song Context & Narrative Significance Sofia Carson - I Didn't Know (Lyrics) (From Purple Hearts)
: The song represents Cassie's realization that her "fake" relationship has evolved into true love. It functions as a retrospective, looking back at the "good, the bad, and the in-between" moments that defined their journey from strangers to partners. Composition and Artistry : Sofia Carson co-wrote the track alongside Grammy-nominated
In the film, Carson portrays , a struggling singer-songwriter with Type 1 diabetes who enters a marriage of convenience with a Marine, Luke (played by Nicholas Galitzine). Song Context & Narrative Significance : The song
: The track is introduced during the film's climax, when Cassie and her band, The Loyal , perform at the Hollywood Bowl .
: The song features a husky, emotional vocal delivery that reviewers have described as adding "tenderness" to the film's plot. Reception and Impact
Purple Hearts (Original Soundtrack) - Album by Sofia Carson | Spotify