<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ell.h-cdn.co/assets/cm/15/02/768x1152/54abd3f3ec12b_-_elle-history-of-holiday-music-opener-v-xln.jpg>
<http://www.elle.com/culture/music/g8519/evolution-of-holiday-christmas-song/>