<https://data.muziekschatten.nl/som/50a1f9350a78c889205b14c2f49ec1ac> <http://schema.org/keywords> "Ben Martien" .
<https://data.muziekschatten.nl/som/50a1f9350a78c889205b14c2f49ec1ac> <http://schema.org/name> "Ben Martien" .
<https://data.muziekschatten.nl/som/50a1f9350a78c889205b14c2f49ec1ac> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Person> .