Opera house as they sing. This occurs in the Met's productions of operas such as "Aida" and "Tales of Hoffman". London's Royal Opera House, which was remodeled in the late 1990s, retained the original 1858 auditorium at its core, but added completely new backstage and wing spaces as well as an additional performance space and public areas. Much the same happened in the remodeling of Milan's La Scala opera house between 2002 and 2004. Although stage, lighting and other production aspects of opera houses often make use of the latest technology, traditional opera houses have not used sound reinforcement systems with microphones
La Scala Theatre Ballet School Among them: Attilia Radice, Giuseppina Morlacchi, Teresa Legnani, Cia Fornaroli, Ettorina Mazzucchelli, Nives Poli, Edda Martignoni, Bianca Gallizia, Giuliana Penzi and Elide Bonagiunta. In more recent times, famous dancers who have studied at the school are: Carla Fracci, Luciana Savignano, Liliana Cosi, Oriella Dorella, Paola Cantalupo, Marco Pierin, Massimo Murru, Carlotta Zamparo, Sabrina Brazzo, Gilda Gelati, Marta Romagna, Roberto Bolle, and Alessio Carbone. Many other dancers have started their dance instruction at the school, such as the famous "ballerina" Alessandra Ferri. La Scala Theatre Ballet School La Scala Theatre Ballet School () is one of the leading classical ballet schools