Many who visit OperaWire regularly have their various interests in what one might call, operatic “rarities”–works that have achieved, to an extent, legendary status despite being seldom staged. As an avid lover of Hector Berlioz’s archetypal romantic career, I devoured both the Barzun and Cairns biographies of the composer more than once. And such a rarity mentioned was Spontini’s “La {…}