// Producer & Mix Engineer · 60 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.

Music Industry A dimly lit home music studio at night, photographed in moody cinematic style. A…
Music Industry · 5 min

What Spotify International Expansion Means for Your Royalties (and Your AI Tracks)

A producer I know shipped an instrumental hip-hop loop pack last year, nothing fancy, a detuned Rhodes over a broken 808 at 84 BPM. His top earning region wasn't Los Angeles or London.

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Voice A close-up studio portrait of a professional vocalist standing before a vintage condenser microphone…
Voice · 5 min

Voice Trademark Protection: What the New Filings Actually Buy an Artist

Last week I spent an afternoon trying to clone a voice you'd recognize in two syllables. I won't name the singer, but the source was four minutes of clean a cappella, 48kHz, no reverb tail to confuse…

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Licensing A dimly lit recording studio at night, focused on a vintage analog mixing console…
Licensing · 5 min

Where AI Music Generation Gets Its Sound: A Short History of a Borrowed Library

A figure-skating routine goes viral. The music underneath sounds like a song you half-remember — the hook lands where you expect, the vocal grain is familiar, the chord turn at the bridge is the one…

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Licensing A wide, atmospheric photograph of a sleek modern marketing studio at dusk, where a…
Licensing · 6 min

When IP Licensing Stops Being a File and Starts Being a Set of Rules

The advice everyone gives you is clean and old: clear the rights, take delivery of the assets, keep the paperwork, and you are covered.

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Packaging Close-up overhead shot of a clear-with-black-splatter vinyl LP being tilted under the warm glow…
Packaging · 6 min

Physical Music Packaging Is Doing More Work Than You Think — and the Evidence Is Thinner Than the Sermon

Last spring a friend who runs a 200-capacity post-punk label sent me a 40-second clip: a fan, somewhere in Leeds, peeling the shrink off a clear-with-black-splatter LP, tilting it under a desk lamp…

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Ai Vocals A moody, photorealistic studio portrait of a male recording artist standing alone in a…
Ai Vocals · 5 min

When an Artist Disowns His Own AI Voice: A Field Guide to AI Music Generation Ethics

The most credible voice in the fight over unauthorized AI vocals isn't a label lawyer, a senator, or an ethics-panel keynote.

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