The Macerata Opera Festival is scheduled to open its concert performances of “Il Trovatore” on July 25. The performances of Verdi’s masterpiece at the historical Sferisterio arena in Italian will star Roberta Mantegna, Veronica Simeoni, Luciano Ganci and Massimo Cavalletti. The performances will be conducted by Vincenzo Milletari. This will mark the second production of the summer season, which began {…}