Biggest-selling digital track in a calendar year (US)

Biggest-selling digital track in a calendar year (US)
Who
Adele
Where
United States ()
When
2011
“Rolling in the Deep”, the lead single from Adele’s (UK, b. Adele Adkins) record-breaking album 21, was downloaded 5.81 million times in 2011, making it the fastest- and biggest-selling digital track in a calendar year in US chart history. “Rolling in the Deep” has also been recognized as the biggest ever ‘crossover’ track in the US. The multi-format smash featured on 12 radio-based charts in 2011, including rock, pop/adult, R&B/hip-hop, dance and Latin.