Dressed in a cool black suit, Florence Welch walks out onstage in a workman's club to perform in Vincent Haycock's hard-hitting promo for Calvin Harris' new single Sweet Nothing.

Meanwhile outside on the mean streets of Dalston, violence erupts as Harris pays an East London gang to attack Welch's abusive boyfriend...

http://www.youtube.com/watchv=17ozSeGw-fY

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