<https://data.muziekschatten.nl/som/9c2a75a4bfedfb0af8c21947d03905b9> <http://schema.org/keywords> "Siegfried Lang" .
<https://data.muziekschatten.nl/som/9c2a75a4bfedfb0af8c21947d03905b9> <http://schema.org/name> "Siegfried Lang" .
<https://data.muziekschatten.nl/som/9c2a75a4bfedfb0af8c21947d03905b9> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Person> .