Their second show was released as a free digital album.
Users can also assemble their pictures into digital albums with the remote.
It was originally released worldwide as physical and digital album on February 28, 2007.
The project has resulted in 12 digital albums (one for each month).
In 2010 alone, the group sold more than 11,730,000 digital albums and singles collectively.
Downloads of digital albums increased 194 percent, to 16 million.
This digital album contains 14 tracks and has a length of 23:47.
Please show your support for the music community by buying a digital album from an independent label today".
Sales of full digital albums increased even more, rising more than 190 percent to 16.2 million.
Later, the artists decided to release it as a free digital album.