After a number of adventurous choices last week, this weekend we’re sticking to some of the greatest hits in opera as this week will feature  the greatest singers in the world. One simply cannot ignore when singers like Jonas Kaufmann and Bryan Hymel are performing major works. Cavalleria Rusticana/Pagliacci – La Monnaie, Belgium  Damiano Michieletto’s acclaimed production of the popular verismo {…}