Elsa Cavelti
... that Elsa Cavelti, who appeared in dramatic roles at the Opernhaus Zürich and taught voice at the Musikhochschule Frankfurt, was Wagner's Brangäne at La Scala?
... that <b id="mwASA"><a href="./Elsa_Cavelti" id="mwASE" rel="mw:WikiLink" title="Elsa Cavelti">Elsa Cavelti</a></b>, who appeared in dramatic roles at the <a class="mw-redirect" href="./Opernhaus_Zürich" id="mwASI" rel="mw:WikiLink" title="Opernhaus Zürich">Opernhaus Zürich</a> and taught voice at the <a class="mw-redirect" href="./Musikhochschule_Frankfurt" id="mwASM" rel="mw:WikiLink" title="Musikhochschule Frankfurt">Musikhochschule Frankfurt</a>, was Wagner's <a href="./Tristan_und_Isolde" id="mwASQ" rel="mw:WikiLink" title="Tristan und Isolde">Brangäne</a> at <a href="./La_Scala" id="mwASU" rel="mw:WikiLink" title="La Scala">La Scala</a>?