Streamwaves now offered over 150,000 digital songs and albums in its collection.

"Rolling In The Deep" will also be the year's best-selling digital song.

It was placed just outside of the top twenty best selling digital songs of all time in September 2010.

Hot Summer was the 16th most successful digital song of 2011 in its native country, selling 2,909,384 copies by the end of the year.

From 2005 on, they are for digital songs.

To sum up, things that are booming: Adele and digital songs in general.

Why would anyone ever pay for a digital song?

Sure, it's nice if you can get a free digital song, video or e-book.

It is also the third best-selling digital songs in US history.

Last year, it created an online music store to sell digital songs.