https://arstechnica.com/information-technology/2023/06/ai-powered-final-beatles-song-due-this-year-says-paul-mccartney/

On Tuesday, BBC Radio 4's Today program aired an interview with Paul McCartney in which he announced that thanks to AI technology, a "final Beatles record" has been finished and will be released later this year. He said that AI techniques have isolated John Lennon's vocals from an old cassette tape demo, enabling him to complete the song.