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 to follow opera libretti in English and Italian in addition to the original language. The opera house re-opened on 7 December 2004 with a production, conducted by Riccardo Muti, of Salieri's "Europa riconosciuta", the opera performed at La Scala's inauguration in 1778. Tickets for the re-opening fetched up to €2,000. The renovations cost a reported €61 million, and left a budget shortfall that the opera house overcame in 2006. Carlo Fontana, the general manager of La Scala since 1990, was dismissed in February 2005 by the board of governors over differences with the music director, Riccardo Muti. The resulting staff