<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://digitalspyuk.cdnds.net/12/46/rihanna-musicofthesun.jpg>
<http://www.digitalspy.com/music/news/a438161/rihanna-revisited-a-look-back-at-her-six-studio-albums-6-4/>