I'm just trying to finish what he started."'The Concert for Bangladesh: George Harrison and Friends' is released on Monday on double DVD through Warner Music Vision and on CD through Sony. Black is back. Once lost amid a sea of sparkling silver, items finished in black are returning to the technology shelves. I don't need to say anything about George to present him or preserve him because that's not what he would have wanted.

Olivia says nothing about the claim and, while refusing to criticise Cynthia for her revelations, the idea of doing likewise clearly appals her "Cynthia has just written a book about John That's fine," she says "I just want to appear where I have to. I had more history here."Cynthia, John Lennon's first wife, has recently published an autobiography, which includes the allegation that Harrison had an affair with Ringo Starr's first wife, Maureen, after Starr left her in the early 1970s. I don't just believe that, I know it." Ask her whether she thinks she will be reunited with her late husband and she suggests she will. "In the Vedas [ancient Hindu scriptures], it says you'll meet a multitude of past relatives and lovers and people and friends that you know, so why not think you're going to bump into somebody somewhere along the way?"She will not discuss the possibility of ever finding love again "I have too many things to do right now. I'm on an even keel and I like it this way." When Harrison died in 2001, the couple were living in Switzerland where they had moved after he was attacked and stabbed by an intruder at their Henley home, but she has since returned to Britain. "Ringo always used to say George was the most social 'recluse' he knew.

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If you came to the house, there would always be people there If he walked in the room now, he would make you smile. He had a great presence, and he was an uplifting person," she says, adding: "He could be grumpy too, but he didn't like people around him to be unhappy He liked everyone to be having a good time Otherwise it was a waste of life People say life is too short and it is." And so it proved. Inquiring about Harrison's final days with cancer, I ask whether he had, Dylan Thomas-like, raged against the dying of the light, but Olivia responds quickly: "There's no dying of the light." It's a reaction that springs from the profound spiritualism she and her late husband shared, a spiritualism that to a non-believer seems strangely at odds with the immaculately coiffured and manicured woman discussing the practicalities of transferring film to video."I feel very fortunate I have a lot of joy because I know it's OK," she says "This physical world is not the end by any means It's just another place you pass through. "He never gave up hoping that the dreams of the Sixties could be realised. In hindsight, I think what was so special about George is that he always believed in the power of goodness." Olivia seems touchingly grateful for these words "It's lovely of him to say that. It's hard for me because George didn't like to blow his own horn and I don't want to do it for him He wouldn't like that He was very self-deprecating But George always wanted to make something better.