OperUs has announced a New Year’s Eve Concert featuring a number of artists from around the world. The showcase will be streamed via OperUs’s official Facebook page starting at 8 p.m. GMT and will be feature Italian mezzo-sopranos Fiorenza Badila Constantini, Caterina Dellaere, and Alessandra Gambino;  British soprano Miriam Endersby;  Chilean bass-baritone Arturo Espinosa; French-Argentine mezzo-soprano Eugenia Forteza; Italian baritone {…}