<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://esq.h-cdn.co/assets/cm/15/06/980x490/54cfbd8617b6c_-_seeger-1yb5th-4.jpg>
<http://www.esquire.com/entertainment/music/a23533/seeger-portraits-1964/>