<https://data.muziekschatten.nl/som/d9215350df4dfecec6994aa05b18e99e> <http://schema.org/keywords> "Ulbrich, Siegfried; Blecher, Carl-Ulrich" .
<https://data.muziekschatten.nl/som/d9215350df4dfecec6994aa05b18e99e> <http://schema.org/name> "Ulbrich, Siegfried; Blecher, Carl-Ulrich" .
<https://data.muziekschatten.nl/som/d9215350df4dfecec6994aa05b18e99e> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Person> .