Jason Koebler, 404 Media:

The AI music generation tool Suno scraped millions of songs and lyrics from YouTube Music, Deezer, and Genius, as well as from the stock music libraries Pond5, Jamendo, Freesound, the International Music Score Library Project, and podcasts via RSS feeds, according to a hacker who breached the company and shared data about Suno’s training libraries with 404 Media. The hacker was also able to access user information for hundreds of thousands of Suno’s customers, as well as Stripe payment information, they said.

Suno is fighting several lawsuits, including one filed by UMG in which it makes the argument its use is sufficiently transformative. But people have been prosecuted for the mere act of downloading hundreds to thousands of songs. This line of argument suggests to me that, beyond some astronomical number of downloads, it becomes entirely legal because no single song will be of much consequence.