<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://digitalspyuk.cdnds.net/12/11/640x320/landscape_rs_blackkeys_nextgirl.jpg>
<http://www.digitalspy.com/gaming/news/a388996/rocksmith-blog-digital-spys-first-taste-of-the-guitar-teaching-tool/>