Dove sono
... that the melody of Mozart's aria "Dove sono" from Le nozze di Figaro, asking "Where are those happy moments ...?", begins similarly to the Agnus Dei from his earlier Coronation Mass?
... that the melody of Mozart's aria "<b id="mwVQ"><a href="./Dove_sono" id="mwVg" rel="mw:WikiLink" title="Dove sono">Dove sono</a></b>" from <i id="mwVw"><a href="./The_Marriage_of_Figaro" id="mwWA" rel="mw:WikiLink" title="The Marriage of Figaro">Le nozze di Figaro</a></i>, asking "Where are those happy moments<span id="mwWQ" typeof="mw:Entity"> </span>...?", begins similarly to the Agnus Dei from his earlier <i id="mwWg"><a href="./Coronation_Mass_(Mozart)" id="mwWw" rel="mw:WikiLink" title="Coronation Mass (Mozart)">Coronation Mass</a></i>?