The singer's show is high energy with non-stop dancing.

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Let's stop dancing on the head of a pin to someone else's argument about who is more righteous: the woman who opts out to care for children, or the one who leans in to leadership in the corporate world, or the one who dodges both options to create a part-time alternative.

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As a tribute to the people of the favelas, who refused to let poverty or adversity stop them dancing the samba and performing their religious rituals, he liked to create flamboyantly coloured parangoles capes, flags and banners that were meant to be worn in a collective dance in which participants would complete the art work.

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Gleason, covered the event and noticed that the dancing went on non-stop, as if people's lives depended on it.

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But this did not stop people cheering themselves hoarse, hugging each other and dancing jigs to marachi music, while hundreds of cars honked their horns in time, creating a samba-style cresendo of sound.

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What no one dares stop calling the Special Relationship has been defined down the years by images - Ronald Reagan and Margaret Thatcher dancing, George W Bush joking about sharing Colgate with a grinning Tony Blair squeezed into crotch hugging chinos and years later spinning a be-suited and grim-faced Gordon Brown around in a golf buggy.

BBC: David Cameron, Barack Obama and the Special Relationship