Top 3
The 1st place is awarded to track Black Eyed Peas "I Gotta Feeling", the 2nd — Lady Gaga "Poker Face", and the 3rd — again Black Eyed Peas with a composition "Boom Boom Pow".In July, 2009 corporation Apple has informed, that in iTunes is downloaded 8 billion tracks. Thus, two more billions songs it has been bought all for seven months. For comparison to reach first billion downloadings, it was required to shop almost three years.