John Lennon's son believes it is his "duty" to "bring attention" to the late star's solo work.
The 'Imagine' hitmaker was shot dead in 1980 and while he is best known as a member of the legendary group The Beatles, Sean Ono Lennon - whose mother is artist Yoko Ono - thinks it is important for "the world" to look at the "personal" nature of the music he wrote in his final years.
Sean - who has been working on a re-release of John's 1973 album 'Mind Games' - told The Sunday Times newspaper: “One thing that distinguishes my dad’s solo career is how personal his lyrics became.
"It is like a diary, and it is my duty to bring attention to my father’s music. Not just my duty to him, but a duty to the world.
"With the world as it is now, people have forgotten so many things that I never imagined could be forgotten.
"I refuse to let that happen to this music — it means too much to me.”
The record was written during a turbulent time in John's life, when he had left wife Yoko, at her suggestion, for their assistant, May Pang, and was living in Los Angeles.
And despite the couple's ups and downs, their son insisted their love for one another was always clear.
Sean, 48, said: “Their story is a love story. They found each other across a great divide and certainly struggled through ups and downs, but never doubted their love.
"It is important we remember them as an example. Even through rough patches you can see my father thought about my mother.
"They were simply, irrevocably intertwined.”
Meanwhile, former Apple Records vice president Tony King believes John would still have been politically active and embracing new technology if he were still alive today.
He said: “Elton [John] and I talk about John. We say, ‘I wonder what he’d be up to?’
"Well, he’d have pounced on the internet and got into AI. And he’d still campaign. I could see him hopping on a plane to see Zelensky.
"He was a busy person, with an arresting personality. You’re never going to forget him.”
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