<https://www.gretsch-talk.com/threads/1964-when-liner-notes-were-a-sales-pitch.214359/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.gretsch-talk.com/threads/1964-when-liner-notes-were-a-sales-pitch.214359/#post-1460696>