<https://data.muziekschatten.nl/som/6b6aaa11715a5809a79a860250f68d66> <http://schema.org/keywords> "Fred E. Ahlert" .
<https://data.muziekschatten.nl/som/6b6aaa11715a5809a79a860250f68d66> <http://schema.org/name> "Fred E. Ahlert" .
<https://data.muziekschatten.nl/som/6b6aaa11715a5809a79a860250f68d66> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Person> .