https://www.theguardian.com/music/2023/jun/23/paul-mccartney-says-theres-nothing-artificial-in-new-beatles-song-made-using-ai

Musician clarifies how artificial intelligence was applied to vocals by John Lennon, amid anxiety over how the technology will affect music

Paul McCartney has clarified how artificial intelligence has been used to create a new Beatles song, saying that “nothing has been artificially or synthetically created”.