Ah! perfido
... that soprano Josepha Duschek, who premiered Ah! perfido, advertised it as "an Italian scena written by Beethoven for Mad. Duschek"?
... that soprano <a href="./Josepha_Duschek" id="mwCFw" rel="mw:WikiLink" title="Josepha Duschek">Josepha Duschek</a>, who premiered <i id="mwCF0"><b id="mwCF4"><a href="./Ah!_perfido" id="mwCF8" rel="mw:WikiLink" title="Ah! perfido">Ah! perfido</a></b></i>, advertised it as "an Italian scena written by Beethoven for <abbr about="#mwt45" data-mw='{"parts":[{"template":{"target":{"wt":"abbr","href":"./Template:Abbr"},"params":{"1":{"wt":"Mad."},"2":{"wt":"Madame"}},"i":0}}]}' id="mwCGA" title="Madame" typeof="mw:Transclusion mw:ExpandedAttrs">Mad.</abbr> Duschek"?