EJAE Went “Golden”: How a K-Pop Trainee-Turned-Composer Became the Voice of K-Pop Demon Hunters

Netflix’s animated feature K-Pop Demon Hunters (Korean fans call it “Kedehun”) needed a theme that felt like a victory chant you could carry out of the theater. Enter EJAE—composer, singer,…

EJAE “Golden” — The OST That Went Supernova

Netflix’s animated feature K-Pop Demon Hunters (Korean fans call it “Kedehun”) needed a theme that felt like a victory chant you could carry out of the theater. Enter EJAE—composer, singer, and former SM trainee—whose OST track “Golden” turned a fantasy hero story into a sing-along for the rest of us.

Flashes pop at CGV Yongsan. EJAE smiles the kind of smile that comes after a sprint: grateful, a little stunned, but game for the next lap. Not long ago he’d simply introduce himself as a composer. Today, the crowd introduces him to itself.

The film’s premise—idol stars by day, demon hunters by night—could’ve felt like cosplay without a musical anchor. “Golden” gives it gravity. Gleaming synths, a chorus built for group vocals, and a lyric that shifts from “I” to “we”—it’s a design for collective adrenaline. You don’t just watch the heroes win; you hum the win home.

The timeline is almost comical: write, record, release—then boom. As the song travels, so does EJAE. Interviews stack, schedules blur, and in between he keeps repeating the same word: “Thanks.” It’s the sound of somebody trying to hold onto the floor while the room becomes an elevator.

EJAE’s route is very K-pop: SM trainee → songwriter → OST frontman. The bigger story is the ecosystem: IP-driven projects like K-Pop Demon Hunters have become fast elevators for musicians too. Ask EJAE about next collabs and he shoots straight: aespa, BTS, and more—not as name-drops, but as future coworkers.

His answer to “why this project?” is disarmingly simple: to show Korean culture—clearly, proudly, and to kids who might not have a frame for it yet. The result proves a point: when music crosses borders, identity beats spectacle.

The ignition point: A slightly tangled pre-chorus snaps open into a repeat-ready hook on the word “Golden.”

Layered synths: Vintage-meets-modern textures sketch the film’s neon palette in sound.

Vocal staging: Verse 1 is an inner monologue; Verse 2 is a rally—then everybody’s singing.

An animated film built the bridge; a one-word hook carried the crowd across. EJAE walked back into the K-scene not as a returning trainee, but as a starter pistol. If “Golden” is Chapter One, the sequel’s already humming.

EJAE wrote and performed “Golden,” the main OST of K-Pop Demon Hunters, and rocketed from behind-the-scenes composer to on-poster artist.

Former SM trainee, now fielding global attention and openly eyeing big-league collabs (aespa, BTS, and more).

Why it works: a chorus designed for group lift-off and a clear cultural throughline.


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