This is one outlet's own report from The Hollywood Reporter — the article as it was filed.
Round Hill Files $1 Billion Copyright Infringement Suits Against Suno, Anthropic

Logo text Independent music publisher Round Hill is suing Suno and Anthropic on claims of mass copyright infringement, alleging that the two AI companies scraped hundreds of the publisher's songs without permission to train their AI models.
Round Hill marks just the latest major lawsuit for both Suno and Anthropic, who've both been sued by the major record companies on similar claims. Suno, industry's biggest AI music generation platform, also faces a suit from Universal Music Group and Sony Music Group (WMG also sued, though the company has since settled ) related to its use of copyright to create new AI-generated recordings. Anthropic, meanwhile faces suits from Universal Music Publishing, Abcko, Concord and BMG over the companies' songs' lyrics being used to train its AI agent Claude.
