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# Fenix Flexin Admits AI Made His Hit Song After Months of Denials
- URL: https://wire.fourthweb.ai/fenix-flexin-admits-ai-made-his-hit-song-after-months-of-denials/
- Published: 2026-08-07T20:01:51.000Z
- Updated: 2026-08-08T01:00:48.000Z
- Description: The cover-up is over, but the real story is what happened between the recording booth and the final mix. LA rapper Fenix Flexin confirmed he used AI tool Treblo for his viral song "Rubberz" after producer Medasin exposed the track and Treblo's own AI detector flagged it
- Author: Travis Wright
- Tags: AI Agent Economy, IPO Watch

**The cover-up is over, but the real story is what happened between the recording booth and the final mix.**

### The Summary

- [LA rapper Fenix Flexin confirmed he used AI tool Treblo for his viral song "Rubberz"](https://www.theverge.com/ai-artificial-intelligence/976801/fenix-flexin-rubberz-ai-song-treblo?ref=wire.fourthweb.ai) after producer Medasin exposed the track and Treblo's own AI detector flagged it
- Flexin claims he "didn't even know what da app was till we mixed," suggesting AI entered the production pipeline without the artist's direct involvement
- This follows Tyga's admission of AI use on his album $tarface, signaling a pattern: artists are deploying AI generators mid-workflow, not upfront

### The Signal

Fenix Flexin's admission matters less than his excuse. He says he didn't know about Treblo until the mixing stage. That means someone else in the production chain brought the AI in. This is how generative audio actually enters professional music: not as a creative tool wielded by the artist, but as middleware deployed by producers, engineers, or collaborators optimizing for speed or sound.

[Treblo (formerly Sonauto)](https://www.theverge.com/ai-artificial-intelligence/976801/fenix-flexin-rubberz-ai-song-treblo?ref=wire.fourthweb.ai) isn't marketed to bedroom beatmakers. It's positioned as a production accelerant for people who already know what they want. The tool generates instrumental beds, transitions, or entire arrangements from text prompts. In a traditional workflow, a producer might spend hours programming synths or layering samples. With Treblo, they type "80s synth pop with Miami Vice vibes" and get a foundation in minutes.

> "The AI didn't replace the artist. It replaced the hours between the idea and the mix."

What makes "Rubberz" notable is the detection angle. Treblo released its own AI detector that flagged the track. That's a play straight from the playbook of companies trying to legitimize synthetic media. By building detection tools, they signal responsibility while also proving their tech works well enough to be recognizable. It's brand-building disguised as accountability.

**Key dynamics at play:**

- AI audio tools are embedding into production pipelines without artist oversight
- Producers are adopting generative tools as workflow shortcuts, not creative partners
- Detection tech is becoming a marketing tool for the companies making the generators

The Tyga precedent matters here. When [$tarface dropped](https://www.theverge.com/ai-artificial-intelligence/976801/fenix-flexin-rubberz-ai-song-treblo?ref=wire.fourthweb.ai), Tyga admitted AI involvement upfront. Flexin tried to dodge, got caught, then pivoted to "I didn't know." That progression tells you where artist sentiment sits: somewhere between denial and deflection. They're not proud of using AI. They're also not apologizing for it. They're just trying to avoid the conversation until they can't.

### The Implication

Watch for more mid-workflow AI adoption. Artists won't announce it upfront because there's still stigma. But producers, engineers, and mix teams are already using these tools to save time and hit deadlines. The next wave of AI music won't be full songs generated from prompts. It'll be invisible production assists that nobody talks about until someone runs a detector.

If you're building in this space, the opportunity isn't convincing artists to go full AI. It's giving producers tools they can use without admitting they used them. That's the actual market.

### Sources

[The Verge AI](https://www.theverge.com/ai-artificial-intelligence/976801/fenix-flexin-rubberz-ai-song-treblo?ref=wire.fourthweb.ai)