How to Make Your Music Sync-Ready: Stems, Splits, Metadata, and Clearances

What does sync-ready actually mean for an indie artist?

Sync-ready means the recording, the deliverable files, the metadata, the splits, and the clearances are all squared away before anyone asks. A supervisor can identify every rights holder, license both the composition and the master from you, get broadcast-spec files, and re-edit the track to picture without a re-record. If any one of those is missing, the song isn't ready, no matter how good it sounds.

Two separate licenses sit behind every sync. A sync license covers the underlying composition, the melody, lyrics, and chords, and it's granted by the songwriter or publisher. A master use license covers the specific recording, granted by whoever owns it. If even one rights holder can't be identified or refuses, the placement can't clear (Songtrust). Sync-ready prep is mostly about making sure neither of those licenses has a hole in it.

There's a real edge here if you own both sides. An artist who controls all of the master and the publishing is a one-stop, and supervisors lean toward one-stops because a single contract and a single payment clears the whole thing on a tight production schedule. Being sync-ready is how you prove you're a clean one-stop instead of just claiming it.

What stems and files do you deliver for sync?

Deliver WAV or AIFF at 48 kHz / 24-bit. That's the broadcast standard for film and television. MP3 and other lossy formats are not acceptable for sync delivery. The full package a supervisor wants is the full mix, an instrumental, the individual stem bounces (drums, bass, music bed, lead vocal, any SFX), and a clean version with no explicit content.

Stems are grouped audio exports that let a production team alter your track to fit a scene without touching the clearance. If a cue runs four seconds short or the dialogue needs the vocal pulled down under a line, the editor handles it from your stems instead of coming back to you for a new mix. That flexibility is often what gets a song chosen over an equally good one that only delivered a stereo bounce.

The cheapest time to make all of this is during production and mixing. Bounce the full mix, the instrumental, the stems, and the clean version in the same session, while the project is open and the routing is fresh in your head. Going back months later to rebuild stems from a half-remembered DAW project is the kind of friction that makes artists skip it, and then they have nothing to send when a brief lands with a 48-hour turnaround.

For electronic and indie producers, the stem complexity that comes out of a busy DAW session is a genuine advantage. You probably already have a session with many discrete layers: separate synths, a programmed beat split across tracks, automation on individual parts. A supervisor can isolate a single synth line or the beat and re-edit it against picture without asking you to re-record anything. A band that tracked to two stereo buses can't offer that. So the thing that feels like overkill in your project file is exactly what makes your track easy to place.

Which metadata fields and codes have to be filled in?

Fill every field, because incomplete or incorrect metadata means your music can't be found, matched, or paid. The required set: song title, artist name, all writers by legal name, publisher info, ISRC, ISWC, BPM, key, genre tags, mood descriptors, master copyright owner, composition copyright owner, PRO affiliations, and split percentages. A blank in any of those is a question a supervisor has to email you about, and on a deadline they'll often just move to the next track.

Two codes do separate jobs and people mix them up constantly. The ISRC (International Standard Recording Code) identifies a specific recording. The ISWC (International Standard Musical Work Code) identifies the underlying composition. They're distinct codes with separate registration paths (Disc Makers). Your ISWC is typically generated by your PRO (ASCAP, BMI, or SOCAN in Canada) when you register the composition. Your ISRC is typically issued by your distributor.

The metadata is also what gets you paid after the placement airs. Broadcasters file cue sheets, a log of every piece of music in a show, film, or ad, with the PROs, which then distribute performance royalties to the registered composers and publishers. If your composition isn't registered with a correct ISWC and PRO affiliation, the cue sheet has nothing to match you against, and the performance royalty just doesn't reach you. Those payments already lag the broadcast by 6 to 18 months (That Pitch), so a metadata gap means money you may not notice is missing for over a year.

If you want a fast, deterministic check on whether your catalog's metadata is actually complete and consistent before you pitch anything for sync, run it through the Release Metadata Checker. It flags the blanks and mismatches that make a track hard to clear.

Check your catalog's metadata before you pitch for sync. →

When do split sheets get signed, and why does timing matter?

Sign the split sheet at the time of creation, with every collaborator's signature, before anyone leaves the session. A split sheet records who wrote what percentage of the composition. Unresolved or disputed splits stall or kill licensing deals, because a supervisor can't license a composition when the writers don't agree on who owns it.

The reason to do it in the room is human, not legal. The day you write the song, everyone's friendly and the contributions are obvious. Two years later, when a placement worth real money is on the table, a co-writer who added one line suddenly remembers it differently, and now you're negotiating instead of clearing. A signed sheet from the session ends that conversation before it starts. It's five minutes of admin that protects a deal you can't see coming yet.

This ties straight back to the one-stop advantage. You can only grant the composition side of a sync cleanly if your splits are settled and documented. A supervisor checking whether you're a real one-stop is, in practice, checking whether your splits and your master ownership are both nailed down. The split sheet is half of that answer.

Why is an uncleared sample a deal-killer?

An uncleared sample is the most common reason libraries reject submissions outright. Clearing a sample needs two separate licenses, the publishing and the master of the sampled work, and it can cost anywhere from hundreds to tens of thousands of dollars, which is often financially out of reach for an independent artist. So a track built on an uncleared sample isn't sync-ready, full stop. You can't license what you don't have the rights to.

This is the one item on the list you can't fix with paperwork after the fact. A blank metadata field is a quick edit. A missing stem is a re-bounce. An uncleared sample is a rights hole at the center of the recording, and the only fixes are clearing it (expensive and slow) or replacing it (a re-record). For a producer who leans on samples, the cleanest path to a sync-ready catalog is building placement-track candidates from original or properly licensed material from the start, so the clearance question never comes up.

The summary worth keeping: being sync-ready is mostly discipline, not talent. Bounce your stems and clean version at the session. Register the ISRC and ISWC and fill every field. Sign the split sheet before anyone leaves. Keep your tracks clear of uncleared samples. Do those four things per track and you're the artist a supervisor can clear in an afternoon, which on a real deadline is most of the battle. If you're building toward this seriously, start a Velveteen account and keep your catalog's metadata and splits in one place so a track is ready the day a brief lands.