The last Beatles song
Machine learning separates John Lennon's voice from a 1977 cassette demo.
- When
- Known to
- ± 12 hours
- Era
- Contemporary, Holocene
Now and Then was released on 2 November 2023, built from a demo whose piano and vocal had been inseparable until a source-separation model trained for the Get Back documentary pulled them apart. All four Beatles appear; two were long dead. It reached number one in Britain, 54 years after their last, and made the argument about AI and authorship concrete rather than hypothetical.