<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/06/160x160/54d11d42d9041_-_internet-radio-05-0711-mdn.jpg>
<http://www.popularmechanics.com/technology/gadgets/reviews/g565/how-spotify-stacks-up-against-other-playlist-providers/>