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The Beatles, one of the most famous groups in the history of pop music; from left to right, George Harrison (1943 - 2001), Ringo Starr, John Lennon (1940 - 1980), and in front, Paul McCartney, at the EMI studios in Abbey Road, as they prepare for 'Our World', a world-wide live television show broadcasting to 24 countries with a potential audience of 400 million. (Photo by BIPs/Getty Images)

The Beatles, one of the most famous groups in the history of pop music; from left to right, George Harrison (1943 - 2001), Ringo Starr, John Lennon (1940 - 1980), and in front, Paul McCartney, at the EMI studios in Abbey Road, as they prepare for 'Our World', a world-wide live television show broadcasting to 24 countries with a potential audience of 400 million.   (Photo by BIPs/Getty Images)

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30th June 1967: George Harrison (1943 - 2001), Ringo Starr and John Lennon (1940 - 1980) of the Beatles, at the EMI studios in Abbey Road, as they prepare for 'Our World', a world-wide live television show broadcasting to 24 countries with a potential audience of 400 million. (Photo by John Williams/BIPs/Getty Images)

30th June 1967:  George Harrison (1943 - 2001), Ringo Starr and John Lennon (1940 - 1980) of the Beatles, at the EMI studios in Abbey Road, as they prepare for 'Our World', a world-wide live television show broadcasting to 24 countries with a potential audience of 400 million.  (Photo by John Williams/BIPs/Getty Images)

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1967: From left to right, Paul McCartney, George Harrison (1943 - 2001), Ringo Starr and John Lennon (1940 - 1980) of the Beatles, surrounded by floating coloured balloons. They are at the EMI studios in Abbey Road to prepare for 'Our World', a live television show broadcasting to 24 countries worldwide. (Photo by Hulton Archive/Getty Images)

1967:  From left to right, Paul McCartney, George Harrison (1943 - 2001), Ringo Starr and John Lennon (1940 - 1980) of the Beatles, surrounded by floating coloured balloons.  They are at the EMI studios in Abbey Road to prepare for 'Our World', a live television show broadcasting to 24 countries worldwide.  (Photo by Hulton Archive/Getty Images)

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June 1967: The Beatles at the EMI studios in Abbey Road, as they prepare for 'Our World', a world-wide live television show broadcasting to 24 countries with a potential audience of 400 million. (Photo by Keystone/Getty Images)

June 1967:  The Beatles at the EMI studios in Abbey Road, as they prepare for 'Our World', a world-wide live television show broadcasting to 24 countries with a potential audience of 400 million.  (Photo by Keystone/Getty Images)

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The Beatles sporting multi-lingual 'Love Is All You Need' sandwich boards at the EMI studios in Abbey Road, as they prepare for 'Our World', a world-wide live television show broadcasting to 24 countries with a potential audience of 400 million. Original Publication: People Disc - HU0054 (Photo by Jim Gray/Getty Images)

The Beatles sporting multi-lingual 'Love Is All You Need' sandwich boards at the EMI studios in Abbey Road, as they prepare for 'Our World', a world-wide live television show broadcasting to 24 countries with a potential audience of 400 million.  Original Publication: People Disc - HU0054   (Photo by Jim Gray/Getty Images)