(Photo: Marcello Orselli) The seventeenth of Verdi’s twenty-six operas, “Il trovatore” (1853) is considered the archetypal senseless opera, thanks to its convoluted and highly implausible plot. So absurd is its premise that it was used in the Marx Brothers’ “A Night at the Opera” (1935) to elicit laughs. But despite this, “Il trovatore” has remained one of the most popular {…}