Although better known today for his concertos, in his own lifetime Antonio Vivaldi was just as famous for his operas. He claimed to have written ninety-four, and while it is impossible to prove he ever composed quite so many, we do know of at least thirty-two. Bajazet of 1735 is one of these although strictly it is a pasticcio, which is a work built around music (usually from a range of composers) that by and large already exists. In this instance, it seems that Vivaldi...