20. Wiley - 'Heatwave '
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Every Vodafone Big Top 40 Number One In 2012
20. 20. Wiley - 'Heatwave '
One of the iconic songs of the summer, Wiley's 'Heatwave' made it to the top spot after initially entering the chart at number two. The grime star has previously had chart success with 'Wearing My Rolex' and 'Never Be Your Woman' which featured Emeli Sande.