You know it’s really Christmas time in Milwaukee, or at least in “da Sout Side,” when A Cudahy Caroler Christmas comes to visit In Tandem Theatre Company. And for those holiday partiers

Opera singers train on a standard set of 26 arias composed for 26 separate Italian operas in all the styles that have arisen since the form was invented in the Renaissance. Milwaukee Opera Theatre, with a new vision and energy, will present an original work by...