<http://schema.org/description>
"A month after Apple&amp;#039;s purchase of music streaming service Lala, iTunes Preview has been expanded to allow 30-second song samples within a browser."^^<http://www.w3.org/2001/XMLSchema#string>
<http://appleinsider.com/articles/10/01/07/apple_expands_itunes_preview_to_allow_browser_based_song_sampling.html>