Question: Radvanovskya play written has sung as Elvira and in a libretto largely written by who?
Sentence (from "Il trovatore"): It was Gutiérrez's most successful play, one which Verdi scholar Julian Budden describes as "a high flown, sprawling melodrama flamboyantly defiant of the Aristotelian unities, packed with all manner of fantastic and bizarre incident."
Relevant evidence: No