Di rigori armato.
In this opera, shortly after the aria "Drei arme adelige Waisen" is sung, one character is serenaded in the aria "Di rigori armato." This opera ends with a handkerchief being picked up by a black page named Mohammed, and it includes some Italians named Valzacchi and Annina. Herr von Faninal prevents (*) Baron Ochs from marrying his daughter in this opera. Despite her previous affair with him, the older Marschallin ultimately encourages Octavian to pursue a younger girl named Sophie. For 10 points, identify this comic opera by Richard Strauss, whose title refers to the presentation of a silver flower.
In this opera, shortly after the aria "Drei arme adelige Waisen" is sung, one character is serenaded in the aria "
Der {Rosenkavalier} [accept The {Knight of the Rose}; or The {Cavalier of the Rose}]