Norma Sharp
... that soprano Norma Sharp performed Mozart's Countess at her debut at La Scala and the voice of the forest bird in Bayreuth?
... that soprano <b id="mwog"><a href="./Norma_Sharp" id="mwow" rel="mw:WikiLink" title="Norma Sharp">Norma Sharp</a></b> performed Mozart's <a href="./The_Marriage_of_Figaro" id="mwpA" rel="mw:WikiLink" title="The Marriage of Figaro">Countess</a> at her debut at <a href="./La_Scala" id="mwpQ" rel="mw:WikiLink" title="La Scala">La Scala</a> and the <a href="./Siegfried_(opera)" id="mwpg" rel="mw:WikiLink" title="Siegfried (opera)">voice of the forest bird</a> in <a href="./Bayreuth_Festival" id="mwpw" rel="mw:WikiLink" title="Bayreuth Festival">Bayreuth</a>?