Soft stillness and the night
Julie Boulianne and Sean Panikkar as Béatrice et Bénédict.Opera fans who don't have tickets yet for Béatrice et Bénédict will want to hustle: there's only one performance left (on Tuesday night) for Opera Boston's season opener, Berlioz's short-but-sweet genuflection to the Bard's Much Ado About Nothing. Devotees of the human voice will certainly want to be there: the production boasts at least four world-clas…