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Using never-before-heard audio from John Lennon, AI has resurrected his voice for a new Beatles song, blending past and present in a musical first that challenges our notions of legacy and innovation.
More than five decades after their breakup, The Beatles have released what they’re calling their final song, “Now and Then,” using advanced AI technology to resurrect John Lennon’s voice. This groundbreaking project not only marks a significant milestone in music history but also raises important questions about the role of artificial intelligence in preserving artistic legacies.
The story behind "Now and Then" is one of perseverance and technological innovation. The track's origins can be traced back to a tape labeled “For Paul,” which Yoko Ono gave to Paul McCartney in the 1990s. This cassette contained unreleased material from John Lennon, including the demo for “Now and Then.” However, the song faced significant hurdles early on. When the band attempted to work on it in the late '90s, George Harrison expressed strong disapproval, calling the track "fucking rubbish." As a result, the project was shelved.
Fast forward to 2023, and the landscape has changed dramatically. AI technology has advanced to the point where it can isolate and enhance vocals from low-quality recordings. McCartney, who has long been eager to complete the song, saw this as an opportunity to finally bring Lennon’s voice back to life. The AI process was able to extract Lennon's vocals from a “ropey little bit of cassette,” removing the persistent buzzing sound that had plagued earlier attempts.
The result is a haunting and poignant track that seamlessly blends old and new. “Now and Then” features McCartney, Ringo Starr, and archival contributions from Harrison, along with the newly restored voice of Lennon. The song serves as a powerful testament to the enduring influence of The Beatles and the potential of AI in music production.
However, the use of AI in this context is not without its critics. Some argue that it undermines the authenticity of the band's legacy, while others see it as a natural evolution of artistic expression. McCartney himself has expressed mixed feelings about the broader implications of AI in music.

“People will say to me, ‘Oh, yeah, there’s a track where John’s singing one of my songs,’ and it’s just AI, you know?” McCartney told the BBC over the summer. “It’s kind of scary but exciting, because it’s the future. We’ll just have to see where that leads.”
The release of “Now and Then” is part of a larger trend in the music industry where AI is being used to create new works from old masters. This technology has the potential to breathe new life into dormant projects and even posthumously complete unfinished compositions. However, it also raises ethical questions about consent and the integrity of an artist's original vision.
For fans of The Beatles, “Now and Then” offers a bittersweet reunion with one of the most influential bands in history. It’s a reminder that while technology can bridge gaps left by time and tragedy, it also opens new frontiers for artistic exploration and innovation.
As we continue to see AI play an increasingly prominent role in music and other creative fields, it's crucial to balance the excitement of new possibilities with a thoughtful consideration of their broader implications. The legacy of The Beatles is not just about the songs they created but the way their music continues to inspire and evolve through each generation.
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About the author
Amara's entry point into AI was an epidemiology role at a London research hospital, where she spent five years studying how digital health tools reached — or conspicuously failed to reach — underserved communities. Watching early algorithmic systems in healthcare quietly entrench existing inequalities, she redirected her career toward the systemic consequences of AI at scale. She covers AI through an unflinching lens: who benefits, who bears the cost, and what evidence actually says versus what the press release claims. Her writing is calm and precise, but she doesn't mistake balance for neutrality.
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3 November 2023
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