<https://data.muziekschatten.nl/som/2da7a2d8c980348d84862113c90c5c23> <http://schema.org/keywords> "Otto Maass" .
<https://data.muziekschatten.nl/som/2da7a2d8c980348d84862113c90c5c23> <http://schema.org/name> "Otto Maass" .
<https://data.muziekschatten.nl/som/2da7a2d8c980348d84862113c90c5c23> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Company> .