Opera house as wealthy patrons and it continues to have a large number of working opera houses such as Teatro Massimo in Palermo (the biggest in Italy), Teatro di San Carlo in Naples (the world's oldest working opera house) and Teatro La Scala in Milan. In contrast, there was no opera house in London when Henry Purcell was composing and the first opera house in Germany was built in Hamburg in 1678. In the 17th and 18th centuries, opera houses were often financed by rulers, nobles, and wealthy people who used patronage of the arts to endorse their political ambition and social
Lisa Gasteen National Opera School musical faculty members included Lisa Gasteen AO, John Fisher, Giovanni Reggioli, Margaret Baker-Genovesi, Sharolyn Kimmorley AM and Jill Stoll. UK-based psychotherapist and expert on psychogenic dysphonia (voice problems due to emotional mismanagement) Phiroze Neemuchwala was amongst the members of the non-musical faculty. Faculty members have been associated with leading international and national opera companies such as the Metropolitan Opera, the Royal Opera, Covent Garden, Teatro alla Scala, Opera Australia, Teatro la Fenice, New York City Opera, Washington National Opera, Welsh National Opera, the Théâtre de la Monnaie, De Nederlandse Opera and Opera Queensland, as well as the Rossini Opera Festival,