"bewerker" . "46161" . "TERRINA, M." . "PARKER, WILLY" . . "Frits" . "componist" . "48043" . . "JANSSEN, FRITS" . "JANSSEN, FRITS |f [arrangeur]" . "1915" . "Janssen, Frederik" . "ne" . "JANSSEN, FRITS" . "Janssen, Frits" . "1915-08-14" . "48012" . "Janssen" . "https://www.wikidata.org/entity/Q727" . "b" . "JANSSEN, FRITS |f [bewerker]" . "JANSSEN, FRITS" . "LEDUC, ERNEST" . "arrangeur" .