<http://schema.org/description>
"Jan. 23 - Digital music revenues rose eight percent in 2011 to $5.2 billion, but it was not enough to prevent another annual decline in the overall market according to the International Federation of the Phonographic Industry."^^<http://www.w3.org/2001/XMLSchema#string>
<http://uk.reuters.com/video/2012/01/23/digital-music-hits-high-note-in?videoId=228980545>