{"version":"1.0","provider_name":"National Choirs","provider_url":"https:\/\/nationalekoren.nl\/en","author_name":"admin","author_url":"https:\/\/nationalekoren.nl\/en\/author\/admin\/","title":"Koen van der Meer - Nationale Koren","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"9ytZjHlPzY\"><a href=\"https:\/\/nationalekoren.nl\/en\/team\/koen-van-der-meer\/\">Koen van der Meer<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/nationalekoren.nl\/en\/team\/koen-van-der-meer\/embed\/#?secret=9ytZjHlPzY\" width=\"600\" height=\"338\" title=\"&#8220;Koen van der Meer&#8221; &#8212; Nationale Koren\" data-secret=\"9ytZjHlPzY\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n<\/script>","thumbnail_url":"https:\/\/nationalekoren.nl\/wp-content\/uploads\/2025\/01\/Koen-van-der-Meer.jpg","thumbnail_width":903,"thumbnail_height":903,"description":"Koen van der Meer studeerde filosofie, schoolmuziek, piano en muziektheorie in Saarbr\u00fccken. In deze tijd ontdekte hij zijn passie voor oude muziek en ging masterclasses volgen voor klavecimbel en directie bij Jesper Christensen, J\u00f6rg Andreas B\u00f6tticher, Peter van Heyghen, Georg Gr\u00fcn, Dan-Olof Stenlund en Ayline Zylberajch. Vervolgens studeerde hij een jaar aan het Lemmensinstituut in [&hellip;]"}