<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://digitalspyuk.cdnds.net/12/41/640x320/landscape_music_led_zeppelin_7.jpg>
<http://www.digitalspy.com/tv/ustv/news/a442565/led-zeppelin-to-appear-on-late-show-with-david-letterman/>