Allegra De Vita was given the role of the title in Tulsa Opera's forthcoming performance of Rossini's "L'Italiana in Algeri," the mezzo-soprano was aware that this wasn't the kind of character she had a difficult time relating to. "Oh No," De Vita said with a laugh. "This was like typing for me. It's evident that she's a Southern Italian girl. I didn't have to go into too much detail to understand this persona." "L'Italiana in Algeri," or "The Italian Girl in Algiers," is the story of the young woman Isabella who sets off in search of her fiancé, Lindoro, who…