What Was the Biggest Hit Song of 2006? | 'Crazy' by Gnarls Barkley
'Crazy' by Gnarls Barkley topped global charts in 2006, blending soul and hip-hop to become the year's biggest hit.
'Crazy' by Gnarls Barkley topped global charts in 2006, blending soul and hip-hop to become the year's biggest hit.