// Producer & Mix Engineer · 61 signals

Rio Castellanos

Rio Castellanos tests AI music generators against real client briefs — stems, mixes, and export quality — drawing on years behind the desk in working studios.

Policy A dimly lit professional recording studio control room photographed at eye level, the mixing…
Policy · 11 min

Fake Artist Prevention: Why Your AI Music Generation Policy Should Ignore the Audio

A few months back I dropped twenty-four thirty-second clips into a Discord full of working mixing engineers and asked them to sort human from machine. Twelve came out of text-to-music models.

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Licensing A wide, low-angle photograph of an empty federal courtroom in late afternoon, shot on…
Licensing · 11 min

AI Music Generation on Trial: The Lawsuits Are Setting a Price, Not a Ban

The lawsuits over AI music generation are not, in the main, an attempt to stop it. They are an attempt to price it. That sounds like cynicism. It is closer to a reading of the paperwork.

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Licensing A dim home studio at night photographed at eye level from just behind an…
Licensing · 7 min

Scrape, Caption, Train, Ship: How AI Music Generation Actually Gets Made

The render came back at 128 BPM, minor key, with exactly the sludgy 808 I had asked for. About eleven seconds in, buried in the tail of a reversed cymbal, there was a syllable.

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Licensing A close-up photojournalistic shot of a single printed spreadsheet page resting on a scuffed…
Licensing · 10 min

How to Price-Check a Streaming Price Rise: A Working Guide to Streaming Economics

The advice comes back around like a chorus. A service raises its monthly price, the timeline fills with cancellation threats, and someone from the industry side says the calming thing: a higher…

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Ai Music A tight overhead close-up of a vintage electric piano keyboard photographed on a cluttered…
Ai Music · 5 min

What Copyright Law Actually Protects When Two Tracks Sound Alike

The email had two attachments: a 48kHz WAV of a lo-fi beat, and a PDF of a cease-and-desist. The producer who sent it was sure he'd been robbed.

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Royalties A dramatic overhead close-up of a vintage brass balance scale resting on a dark…
Royalties · 5 min

Fair Use Versus Mechanical Royalty Rates: When Does Reuse Owe You Nothing?

Nine-point-one cents. That was the statutory mechanical rate for a physical copy or a permanent download in the United States, frozen at that figure from 2006 until the Phonorecords III proceedings…

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Licensing A tightly sealed matte-black metal server cabinet standing alone in a dim data-center aisle…
Licensing · 4 min

Where AI Music Generation Gets Its Training Data — And Why Nobody Will Say

The first time I tried to trace where a popular text-to-music model got its training data, I got a marketing page, a terms-of-service link, and a paragraph that leaned on the word "proprietary" three…

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Ai Music A dimly lit professional recording studio at night, shot with a 35mm lens at…
Ai Music · 4 min

What AI-Generated Music Statistics Actually Tell Us — and What They Hide

The number that traveled this year wasn't a total, it was a share: on one large streaming service, more than half the tracks uploaded on an average day were generated by software.

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Artist Strategy A middle-aged rock drummer seated behind a vintage drum kit in a dim home…
Artist Strategy · 10 min

TikTok Adoption by Legacy Acts: The Metrics That Justify the Late Arrival

A band I follow posted its first video last month. The account was four days old, had a blue check, and opened with a clip of the drummer waving at a ring light like he'd been handed someone else's…

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