: Musichttp://freedesktop.org/standards/xesam/1.0/core# Create a prefix for http://freedesktop.org/standards/xesam/1.0/core# Hit Enter to save Double click to create a prefix | rdfs:subClassOf | : MusicalWorkhttp://purl.org/ontology/mo/ Create a prefix for http://purl.org/ontology/mo/ Hit Enter to save Double click to create a prefix | graph:default-4 |