Suno admits it kept the training recordings, and v6 learned from its users' creations
In its answer to Universal and Sony's second lawsuit, Suno admits it has not deleted all the recordings it trained on, and repeats that v6 learned from "creations and preference signals" from its community. That makes Suno's own users part of the training pipeline the labels call laundering, under a licence they can't take back.
Artist rightsvia US District Court for the District of Massachusetts (via Music Business Worldwide)