"ne" . . "PORTENGEN, JOOP" . "Joop" . "1916-12-03" . "PORTENGEN, JOOP" . "REGHT, WIM DE" . "https://www.discogs.com/artist/758115" . "https://www.wikidata.org/entity/Q60923189" . "https://musicbrainz.org/artist/0e907ff9-622e-4973-8302-48b6a8f73593" . "1916" . "componist" . "PORTENGEN, JOOP" . "43894" . "https://nl.wikipedia.org/wiki/Joop_Portengen" . "https://www.allmusic.com/artist/mn0002948965" . . "1981-07-11" . "1981" . "Portengen" .