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"It's my father's ambition. He's nearly 69 but he keeps wanting to get bigger and get better. I don't see him retiring, I just see him dying one day," he said.

And yet, as the band's only official biographer Hunter Davies told Radio 4's Today programme on Wednesday: "The strange thing about the Beatles is that the longer we get from them, the bigger they become".

"I'm a fighter so the bigger the fight, the more I enjoy that challenge," he said.

Hartvigsen saw that the problem and the thirst for investing knowledge and a supportive community was much bigger than just her and her group of friends.

It often helps in order to identify the bigger picture.