Milan were built in the city during this period by the architects, Pellegrino Tibaldi, Galeazzo Alessi and Ricchino himself. Empress Maria Theresa of Austria was responsible for the significant renovations carried out in Milan during the 18th century. This profound urban and artistic renewal included the establishment of Teatro alla Scala, inaugurated in 1778 and today one of the world's most famous opera houses, and the renovation of the Royal Palace. The late 1700s Palazzo Belgioioso by Giuseppe Piermarini and Royal Villa of Milan by Leopoldo Pollack, later the official residence of Austrian viceroys, are often regarded among the best examples
Royal Opera House Muscat Al Said has been always a fan of classical music and arts. In 2001, the sultan ordered the building of an opera house. Initially called 'House of Musical Arts', the name 'Royal Opera House Muscat (ROHM)' was finally chosen. This opera house, which was built by Carillion Alawi, became the first in the world equipped with Radio Marconi's multimedia interactive display seatback system, Mode23. It was officially opened on October 12, 2011, with a production of the opera "Turandot", conducted by Spanish tenor Plácido Domingo. The opera house had an impressive first season, with performances by Plácido Domingo, Andrea Bocelli,