"bewerker" . "46161" . "TERRINA, M." . "PARKER, WILLY" . . "Frits" . "componist" . "48043" . . "JANSSEN, FRITS" . "JANSSEN, FRITS |f [arrangeur]" . "1915" . "ne" . "JANSSEN, FRITS" . "Janssen, Frits" . "48012" . "Janssen" . "b" . "JANSSEN, FRITS |f [bewerker]" . "JANSSEN, FRITS" . "LEDUC, ERNEST" . "arrangeur" .