<https://fretboardknowledge.com/guitar/kb/c-db-f-gb-g-ab-b/>
<http://schema.org/datePublished>
"2018-04-24T21:46:53+00:00"^^<http://schema.org/Date>
<https://fretboardknowledge.com/guitar/kb/c-db-f-gb-g-ab-b/>