Gnarls Barkley - 'Crazy'
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23 Songs You Won't Believe Are Turning 10 Years Old In 2016
18. Gnarls Barkley - 'Crazy'
Gnarls Barley's success with hit single 'Crazy' marked the turn of music habits in the UK when it became the first single to top charts based on downloads alone. The song remained number 1 for 9 weeks - a record beaten the following year when Rihanna released 'Umbrella.' But most significantly, 'Crazy' was officially the best selling single of 2006.
