The oldest surviving opera.
102. Euridice (Jacopo Peri)
Category: Italian opera
94. Simon Boccanegra (Giuseppe Verdi)
Verdi's grim, confused opera about a Genoan Doge.
90. Maria di Rudenz (Gaetano Donizetti)
Fratricide; a soprano who dies three times (she comes from the tomb to wreak her bloody revenge); and obsessive passion.
The Opera Scribe 