<https://data.muziekschatten.nl/som/5ad763e4c9b80c05a206b486aa8bc7ab> <http://schema.org/keywords> "Ralph M. Siegel" .
<https://data.muziekschatten.nl/som/5ad763e4c9b80c05a206b486aa8bc7ab> <http://schema.org/name> "Ralph M. Siegel" .
<https://data.muziekschatten.nl/som/5ad763e4c9b80c05a206b486aa8bc7ab> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Person> .