Constanze Backes
... that Constanze Backes performed the leading female part in Joseph Schuster's rediscovered opera Il Marito Indolente?
... that <b id="mwBoE"><a href="./Constanze_Backes" id="mwBoI" rel="mw:WikiLink" title="Constanze Backes">Constanze Backes</a></b> performed the leading female part in <a href="./Joseph_Schuster_(composer)" id="mwBoM" rel="mw:WikiLink" title="Joseph Schuster (composer)">Joseph Schuster</a>'s rediscovered opera <i id="mwBoQ">Il Marito Indolente</i>?