“Falstaff” is the only comic opera written by Giuseppe Verde, (his last opera as well,) and is based on Shakespeare’s “The Merry Wives of Windsor.” The Portland Opera at Keller Auditorium, a smallish venue with 2,992 seating capacity, staged this performance. My charming companion and my seats were Row F on the center aisle, not far above the orchestra pit, a very good vantage point. It is a lively opera with a sizeable cast performed in Italian. I recognized random words from a long-ago “Conversational Italian” class, but focused mostly on the music and body language, with the occasional peek at a reader board with English subtitles. I seemed to absorb the music more fully not caught by the actual words, though of course missing nuances of the storyline. It was disconcerting for occasional English names like “Thames” and “Windsor Park” or “Garter Inn” to break into my reverie. The cast was superbly talented, the music wonderful and not at all familiar. A solo by the young gentl...