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[ARTICLE · art-133917] src=variety.com ↗ pub= topic=artificial-intelligence verified=true sentiment=↓ negative

Sony Music, Universal Music Group Sue Suno Over Label-Backed Model: ‘Fruit of the Same Poisoned Tree’

Sony Music Entertainment and Universal Music Group filed a new 45-page lawsuit against Suno in the U.S. District Court for the District of Massachusetts, alleging the AI music-generation company's new label-backed "v6" model family still infringes their copyrighted works. The labels argued that Suno's admission its v6 models trained on outputs of its previous models means "training a 'new' model on the outputs of an infringing model does not eliminate the infringement; it launders it," adding that "V6 is not a fresh start; it is the fruit of the same poisoned tree." Suno did not have an immediate comment.

by read1 min views1 publishedSep 18, 2026
Sony Music, Universal Music Group Sue Suno Over Label-Backed Model: ‘Fruit of the Same Poisoned Tree’
Image: Variety (auto-discovered)

Sony Music Entertainment and Universal Music Group aren’t done with Suno in federal court. The two labels filed a new, 45-page lawsuit in the U.S. District Court in the District of Massachusetts against the AI music-generation company, alleging Suno’s new model, backed by several music companies, still infringed on Sony Music and UMG’s copyrighted works. The two (along with some of their respective imprints, named as fellow plaintiffs) alleged Suno’s admission that its new “v6” family of models trained upon the outputs of its previous models meant that, despite the company’s claims its new models do not infringe on copyrighted work, “training a ‘new’ model on the outputs of an infringing model does not eliminate the infringement; it launders it.”

“V6 is not a fresh start; it is the fruit of the same poisoned tree,” the labels claimed.

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Suno did not have an immediate comment.

More to come…

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