The single which was boosted by Darren Criss' cover on 'Glee' sold 4.8 million copies in United States alone.
Rockers Train are celebrating after their hit song "Hey, Soul Sister" was named the most-downloaded track of 2010. The song, which sold 4.8 million copies in the U.S. alone, was an online hit and topped the iTunes playlist over the previous 12 months, becoming the eighth most-downloaded song of all time.
Katy Perry's "California Gurls" was the second biggest iTunes hit of 2010, and "Love The Way You Lie", by Eminem and Rihanna, was third. In the iTunes album chart, Eminem's "Recovery" was named top seller of the year, with Ke$ha's "Animal" in second place ahead of "The Fame" by Lady GaGa.
Over at Billboard Hot 200, Susan Boyle's "I Dreamed a Dream" beat Eminem's "Recovery", Lady Antebellum's "Need You Now", GaGa's "The Fame" and Justin Bieber's "My World 2.0" in the list of most-sold albums this year.