Freu dich, Erd und Sternenzelt
... that the German Christmas carol "Freu dich, Erd und Sternenzelt" is based on a Czech song derived around 1500 from a Latin model ?
... that the German <a href="./Christmas_carol" id="mwAtc" rel="mw:WikiLink" title="Christmas carol">Christmas carol</a> "<b id="mwAtg"><a href="./Freu_dich,_Erd_und_Sternenzelt" id="mwAtk" rel="mw:WikiLink" title="Freu dich, Erd und Sternenzelt">Freu dich, Erd und Sternenzelt</a></b>" is based on a Czech song derived around 1500 from a Latin model <i id="mwAto">(manuscript pictured)</i>?