. "JONG, LETTY DE" . "JONG, LETTY DE |f [uitvoerende]" . "De Jong" . "ne" . "https://data.muziekweb.nl/Link/M00000091398" . "2008-07-01" . . "JONG, LETTY DE" . "1" . "uitvoerende" . "http://data.beeldengeluid.nl/gtaa/115314" . "Letty" . "1936-11-15" . "52066" . "https://www.wikidata.org/entity/Q15877823" . "u" .