<http://schema.org/description>
"\r\n\r\nYouTube now has an Audio Gallery featuring 150 royalty-free instrumental tracks, which can be used for anything...not just YouTube videos.\r\n\r\nThe proposed gallery first came to ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/google/2013/09/25/you-can-youtube-introduces/>