Tatiana von Metternich-Winneburg
... that Princess Tatiana von Metternich-Winneburg turned the East Wing of Schloss Johannisberg into a concert hall for the Rheingau Musik Festival?
... that Princess <b id="mwAo4"><a href="./Tatiana_von_Metternich-Winneburg" id="mwAo8" rel="mw:WikiLink" title="Tatiana von Metternich-Winneburg">Tatiana von Metternich-Winneburg</a></b> turned the East Wing of <a href="./Schloss_Johannisberg" id="mwApA" rel="mw:WikiLink" title="Schloss Johannisberg">Schloss Johannisberg</a> <i id="mwApE">(pictured)</i> into a concert hall for the <a href="./Rheingau_Musik_Festival" id="mwApI" rel="mw:WikiLink" title="Rheingau Musik Festival">Rheingau Musik Festival</a>?