Opera Australia Orchestra associated with working in the Sydney Opera House orchestra pit. The OAO provides orchestral accompaniment to Opera Australia and The Australian Ballet and is one of the few opera orchestras in the world that operates in a repertory style of operation over a period, or season, that can be some months in length. Other opera houses that operate this way are The Metropolitan Opera in New York City, The Royal Opera House Covent Garden in London and La Scala, Milan. 'Repertory style' also infers that over time, certain composers and operas become considered 'standard' to the working operation of the
La Scala pit-stalls, arranged in six tiers of boxes above which is the 'loggione' or two galleries. Its stage is one of the largest in Italy (16.15m d x 20.4m w x 26m h). Building expenses were covered by the sale of boxes, which were lavishly decorated by their owners, impressing observers such as Stendhal. La Scala (as it came to be known) soon became the preeminent meeting place for noble and wealthy Milanese people. In the tradition of the times, the main floor had no chairs and spectators watched the shows standing up. The orchestra was in full sight, as the