Behind the scenes in K-pop · For global labels & publishers

Your song was written in Stockholm. It charts in Seoul. What happened in between?

A huge share of K-pop hits start life as English-language demos from writers in Europe, the US, and beyond. The step that turns those demos into Korean records — lyric adaptation — is the least visible, most decisive craft in the pipeline. Here's what it involves, and why "translation" is the wrong word.

UP Music · Seoul · 6 min read

Translation preserves meaning. Adaptation preserves the hit.

Take a topline melody with an English demo lyric. Translate it literally into Korean and you break everything that made it work: syllable counts shift, stressed notes land on particles, the hook stops snapping. Adaptation goes the other way — it keeps the melody's phonetic shape sacred and rebuilds meaning around it. The adapter is choosing vowels for the high notes, consonants for the rhythmic hits, and — the part outsiders always miss — deciding what this idol, at this point in their career, facing this fandom, can credibly say.

That's why the credit reads "Korean lyrics by," not "translated by." It's a songwriting credit — and the industry prices it as one. As peermusic's CEO told Billboard, Western writers customarily give 12.5% of publishing to the Korean lyricist who rewrites the song — "almost such a hard and fast rule it is often not even negotiated." When an eighth of the song's publishing goes to this step by market consensus, "translation" is clearly the wrong mental model. It is the difference between a Korean version and a Korean record.

A working example from our own credits

When WayV — SM's China-focused unit — released Frequency, the Korean version of the title track needed lyrics that worked as a native Korean single, not as a shadow of another language's record. That adaptation, "FREQUENCY (Korean ver.)," is a UP credit (Wutan, with Kang Eunjeong). The same craft in the other direction: when a global writing team's topline becomes an NCT DREAM album cut like "Yogurt Shake," a native lyricist makes it belong to the group that sings it. The listener should never be able to tell which language came first — when adaptation is done well, the evidence of its existence disappears.

Why this is suddenly a global-label problem

The traffic used to flow one way: foreign demos in, Korean releases out. Now it flows both ways. Groups like XG release in English out of a Japanese company with K-pop production DNA; ONE OR EIGHT works across English and Japanese; Korean groups cut Japanese and English versions as standard practice. Every one of those crossings needs the same craft. A label building a multi-market group — or pitching songs into one — needs adaptation capability as part of the writing team, not bolted on after.

The practical checklist, if you're commissioning across languages:

• Book the adapter before the final topline is locked. Small melodic adjustments made early save the hook; the same adjustments after label approval are a political fight.
• Insist the adapter is a charting lyricist in the target language — someone whose own records prove they know what the market lets an artist say. Ask for their credits like you'd ask for any writer's.
• Clear the credit and split up front. Adaptation is songwriting; markets differ on how the share is structured, and settling it at cut time avoids the classic dispute.
• Keep one voice across versions. If the Korean, English and Japanese versions are adapted by three unconnected teams, the group's persona fractures across markets.

How to hear the difference

Play any bilingual release and listen only to the chorus's highest note. In a translated lyric, that note often lands on a grammatically necessary but emotionally empty syllable. In an adapted lyric, it lands on the word the whole song is about. Once you hear it, you can't unhear it — and you'll start hearing which of your competitors budgeted for the craft and which ones ran the lyric through a bilingual intern.