Hanna Ludwig
... that Hanna Ludwig appeared in the title role of Der Rosenkavalier at the Vienna State Opera, and in five roles at the first Bayreuth Festival after World War II?
... that <b id="mwBtg"><a href="./Hanna_Ludwig" id="mwBtk" rel="mw:WikiLink" title="Hanna Ludwig">Hanna Ludwig</a></b> appeared in the title role of <i id="mwBto"><a href="./Der_Rosenkavalier" id="mwBts" rel="mw:WikiLink" title="Der Rosenkavalier">Der Rosenkavalier</a></i> at the <a href="./Vienna_State_Opera" id="mwBtw" rel="mw:WikiLink" title="Vienna State Opera">Vienna State Opera</a>, and in five roles at the first <a href="./Bayreuth_Festival" id="mwBt0" rel="mw:WikiLink" title="Bayreuth Festival">Bayreuth Festival</a> after World War<span id="mwBt4" typeof="mw:Entity"> </span>II?