A music catalog audit is a systematic review of every song you've released to confirm that all of your royalty sources are registered, your metadata matches across platforms, and no money is sitting unclaimed. To run one in 2026, you check seven places where indie royalties get stuck: the MLC (mechanical), SoundExchange (digital performance), your PRO (public performance), your distributor, YouTube Content ID, sync and neighboring-rights collectors, and your songwriter split sheets. The reason this matters is blunt: industry studies estimate up to 20% of artist royalty income goes unclaimed due to metadata errors and missing registrations. The MLC alone is holding roughly $1.4 billion in royalties awaiting distribution, including about $424 million in unmatched and unclaimed mechanicals (The MLC, 2026). Most of that belongs to independent creators who never registered correctly. A catalog audit is how you find your share before it gets redistributed to major publishers. Tools like RoyaltyCoPilot.ai automate the cross-checking, but you can start the process yourself today.
Last Updated: June 2026
What is a music catalog audit and why do indie artists need one?
A music catalog audit is a structured cross-check of your entire discography against every collection society and platform that owes you money. The goal is to surface three failure modes: royalties accruing in accounts you never registered, royalties stuck because your metadata doesn't match, and royalties being collected by someone other than you.
The stakes are higher than most artists assume. More than 40% of undistributed blanket royalties at the MLC relate to registered works that simply haven't been claimed by the correct rightsholder (The MLC, 2026). That isn't money lost to obscure legal disputes — it's money sitting in a database waiting for someone to click "claim." If you released music through a distributor and never touched anything else, you almost certainly have a balance somewhere.
Auditing also protects you from the clock. Unmatched mechanical royalties are held for a minimum of three years, after which the MLC distributes them to its members based on market share — meaning Sony, Universal, and Warner Chappell collect what you didn't claim (Ari's Take, 2026). SoundExchange operates on the same three-year expiration window. Every quarter you wait is money walking out the door.
How do you audit your music catalog step by step in 2026?
Run these seven checks in order. Each one targets a different royalty stream, and each is a place independent artists routinely leave money behind. RoyaltyCoPilot.ai runs all seven automatically against your catalog, but the manual version below is free and works for any size discography.
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Inventory every release and its identifiers. Build a single spreadsheet of every song you've put out, with its ISRC (recording ID), ISWC (composition ID), release date, and every songwriter and producer involved. You cannot audit what you haven't listed. Missing or duplicate ISRCs are the single most common cause of unmatched royalties.
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Check your MLC registration and unclaimed works. Log into The MLC portal and confirm every composition is registered with correct splits totaling 100%. Then search the public Unclaimed Works database for your song titles and writer name. With about $424 million sitting unmatched, this is usually where the largest single recovery hides (The MLC, 2026).
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Verify SoundExchange registration. SoundExchange pays the digital performance royalty for non-interactive plays on SiriusXM, Pandora, and internet radio — money your distributor does not collect. Registration is free, takes under an hour, and back-pays up to three years of accrued royalties (SoundExchange, 2026). Hundreds of millions sit unclaimed here precisely because artists assume their distributor handles it.
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Confirm your PRO works are registered and matched. Whether you're with ASCAP, BMI, SESAC, or GMR, log in and confirm every song is registered with correct writer and publisher splits. Cross-reference against your setlists and sync placements — unmatched live and broadcast performances are a documented black hole. In the UK, PRS disclosed that over 100,000 performances since 2022 could not be matched to songwriters due to missing data (Independent Music Insider, 2026).
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Reconcile your distributor statements. Pull the last 12 months of statements from DistroKid, TuneCore, CD Baby, or whoever you use. Confirm the stores reporting plays match where your music actually lives, and check whether your distributor is quietly collecting publishing royalties you should be claiming directly through the MLC.
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Audit YouTube Content ID and sync. Confirm your recordings are fingerprinted in Content ID so user-generated videos generate revenue, and check that any TV, film, or game placements have filed cue sheets with your PRO. Sync royalties frequently never reach indie artists because the cue sheet was never submitted.
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Validate every split sheet. Pull the split sheet for each collaboration and confirm the percentages registered at the MLC and your PRO match what everyone actually agreed to. Mismatched or missing splits freeze the entire song's mechanical royalties — nobody gets paid until the math reconciles to 100%.
Where do independent artists lose the most royalty money?
Most unclaimed money clusters in a handful of predictable gaps. The table below maps each leak to its cause and the fix, so you can prioritize the audit steps that will recover the most.
| Royalty stream | Why it goes unclaimed | How to fix it |
|---|---|---|
| Mechanical (MLC) | Never registered, or works registered but unclaimed | Register and claim in the MLC portal |
| Digital performance (SoundExchange) | Artist assumes distributor collects it | Register directly with SoundExchange |
| Public performance (PRO) | Splits don't total 100%, or works unregistered | Reconcile splits at ASCAP/BMI/SESAC/GMR |
| Sync (TV/film/games) | Cue sheet never filed | Confirm cue sheets with music supervisor + PRO |
| Neighboring rights | No foreign collection partner | Register with a neighboring-rights agent |
| YouTube | Recordings not in Content ID | Enable Content ID via distributor |
| Black box | Metadata mismatch across platforms | Standardize names, IDs, and splits everywhere |
The common thread across every row is metadata. Up to 20% of artist royalty income goes unclaimed because a name is misspelled, a split is missing, or an ISRC is duplicated (industry estimates, 2026). Fix the metadata and most of these leaks close on their own.
How often should you audit your music catalog?
Audit your full catalog at least once a year, and re-check the MLC and SoundExchange unclaimed databases every quarter. The reason is the three-year expiration clock: royalties you don't claim within roughly three years are redistributed or expire, so an annual cadence guarantees you never let a balance age out.
New releases need an audit at the moment of release, not months later. The cheapest time to fix metadata is before the streams start accruing, because retroactive corrections can take a full distribution cycle to flow through. Treat registration as part of your release checklist, not a cleanup task.
Catalog growth changes the math too. A 10-song catalog is a one-evening manual audit. A 200-song catalog with multiple collaborators is where automated cross-checking — the kind RoyaltyCoPilot.ai is built for — saves days of spreadsheet reconciliation and catches mismatches a human eye skips.
DIY audit vs. audit tool vs. royalty administrator: which is right for you?
There are three realistic ways to audit and maintain your catalog. The right choice depends on catalog size, budget, and how much of your own time you want to spend in collection-society portals.
| Approach | Best for | Cost | Trade-off |
|---|---|---|---|
| DIY manual audit | Small catalogs (under ~25 songs) | Free | Time-intensive; easy to miss matches |
| Audit tool (e.g. RoyaltyCoPilot.ai) | Growing indie catalogs | Low monthly/flat | Still claim the money yourself |
| Full royalty administrator | Large catalogs, no time | 10–20% commission | Ongoing cut of all royalties forever |
For most independent artists and producers, a DIY audit once or an audit tool ongoing recovers the bulk of the money without surrendering a permanent percentage. A full administrator makes sense when your catalog is large enough that 10–20% of recovered royalties still nets more than your time is worth.
How much unclaimed money is actually out there?
The numbers are large enough to take seriously. The MLC's initial black-box transfer was roughly $427 million, and it currently holds about $1.4 billion across all categories awaiting distribution (The MLC, 2026). SoundExchange holds hundreds of millions for unregistered performers. Songwriters are separately owed an estimated $400 million in adjusted mechanical royalties from rate-court proceedings (Billboard, 2026).
No single artist claims a headline-grabbing share of those totals — but that's the point. This money is fragmented across millions of tiny, unmatched line items, which is exactly why it goes unclaimed. A few hundred dollars per unregistered stream, multiplied across a catalog and three years of accrual, adds up to real recovery for working independent musicians.
The artists who recover it are the ones who audit. The money doesn't find you; the collection societies are explicit that the burden is on the rightsholder to register and claim. RoyaltyCoPilot.ai exists because that burden is tedious and easy to procrastinate — but the underlying work is something any artist can start today.
Frequently asked questions
How do I find unclaimed music royalties?
Search your name and song titles in the MLC Unclaimed Works database, register with SoundExchange to back-claim up to three years, and confirm your works are matched at your PRO. These three checks surface the majority of unclaimed indie royalties. A catalog audit tool like RoyaltyCoPilot.ai automates all three searches at once.
Does my distributor collect all my royalties?
No. Distributors like DistroKid and TuneCore collect your master streaming royalties, but they do not automatically collect mechanical royalties from the MLC, digital performance royalties from SoundExchange, or public performance royalties from your PRO unless you specifically enroll in their publishing-admin add-on. Most indie artists must register with those societies directly.
How long does the MLC hold unclaimed royalties before redistributing them?
The MLC holds unmatched mechanical royalties for a minimum of three years, then distributes them to its members based on market share. In practice, that means unclaimed money eventually flows to the largest publishers. Claiming within the holding window is the only way to keep your share.
Is a music catalog audit worth it for a small catalog?
Yes. Even a five-song catalog can have SoundExchange and MLC registrations missing entirely, and those are free to fix with up to three years of back-pay. The audit itself costs nothing but an evening if you do it manually, and the downside of skipping it is permanent loss of expired royalties.
What metadata causes the most unclaimed royalties?
Inconsistent songwriter names, missing or duplicate ISRC and ISWC codes, and splits that don't total 100% are the top causes. Up to 20% of royalty income goes unmatched because of these errors (industry estimates, 2026). Standardizing your metadata across every platform is the single highest-impact fix in an audit.
Can I audit my catalog myself or do I need to pay someone?
You can absolutely do it yourself for free using the seven-step process above. Paying for an audit tool saves time and catches mismatches at scale, and a full administrator handles everything for an ongoing commission — but none of those are required to recover your money. The DIY route works for any artist willing to spend the time.
The bottom line
A music catalog audit is the highest-return hour an independent artist can spend in 2026, because the money is real, it's sitting in databases right now, and the only thing standing between you and it is registration and clean metadata. Run the seven-step audit at least annually, re-check the unclaimed databases quarterly, and treat metadata as a first-class part of every release. Whether you do it by hand or let RoyaltyCoPilot.ai cross-check your catalog automatically, the worst outcome is the one most artists choose by default: doing nothing while the three-year clock runs out.