Further cementing its position as the dominant music retailer of any format, Apple has launched a countdown to the nearing milestone of selling its 10 billionth song.

To commemorate the event, Apple will award the person buying the record-setting song an iTunes gift card worth $10,000. Apple, additionally, listed for the first time the most downloaded songs on iTunes of all time. They are, in order:

"I Gotta Feeling," Black Eyed Peas
"Poker Face" Lady Gaga
"Boom Boom Pow" Black Eyed Peas
"I'm Yours" Jason Mraz
"Viva la Vida" Coldplay
"Just Dance" Lady Gaga & Colby O'Donis
"Low" Flo Rida
"Love Story" Taylor Swift
"Bleeding Love" Leona Lewis
"TiK ToK" Ke$ha
"Disturbia" Rihanna
"So What" Pink