Rigoletto: Opera as Modern Drama 1. Verdi’s irony is at its fullest in Rigoletto. a. It was his most Shakespearean work. b. The plot hinges on a single irony. 2. Verdi presents different types of drama within the opera. 3. Verdi is able to use music to take care of some of the weaknesses of Hugo’s original play. a. These are realized in the quartet of the final act. b. He makes the Duke’s character different by making it a tenore di forza role, but a cynical lover, not the romantic hero.