"Thank you, Adele, it's such a beautiful song," reads a glowing comment beneath an emotional YouTube tribute to slain US activist Charlie Kirk. But the music is AI-generated -- and bears little resemblance to the British icon's voice.

Rapidly evolving artificial intelligence tools can now create songs from simple text prompts, mimicking the voices of celebrity artists to produce tributes or entire performances on demand, often without their knowledge or consent.

The trend raises thorny copyrights issues and highlights the erosion of shared reality as unwitting users increasingly consume content infused with disinformation enabled by artificial intelligence.

"Rest in peace, Charlie Kirk!" sings a voice over a video showing the right-wing activist, who was assassinated last month.

"The angels sing your name. Your story's written in the stars, a fire that won't wane," the voice intones as visuals appear onscreen of Kirk, an ally of President Donald Trump.

Similar AI tributes on YouTube attributed to stars such as Ed Sheeran and Justin Bieber -- complete with fabricated thumbnails of them in tears -- collectively racked........

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