I wouldn’t say that training on copyrighted material definitely isn’t copyright infringement, because training may require making a copy into memory for the tra

I wouldn’t say that training on copyrighted material definitely isn’t copyright infringement, because training may require making a copy into memory for the training algorithm. That may be enough. In Midler v. Ford, Ford had a license from the publisher to use the song, so Midler’s case was based on the publicity right, if I recall correctly. Also, the publicity right can’t be implicated just by copying a style or genre. It has to be imitating the person without permission.