Managua – Appointment at 7.30 pm on Wednesday, September 20 in Managua, where i twill be held a tribute to Maria Callas, the great soprano disappeared 40 years ago. The initiative is born thanks to the renewed collaboration between the National Theater Ruben Dario, the most important Nicaraguan cultural institution, and the Embassy of Italy in Managua. The program, based on the arias of the most famous operas performed by the great artist, includes the performance of, among others, Rosa Pérez and Stefano Cresci. (9colonne)