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 on 25 May 1874 and he announced in 1886 that La Scala would host the premiere of what was to become his penultimate opera, "Otello". The premiere of his last opera, "Falstaff" was also given in the theatre. In 1982, the Filarmonica della Scala was established, drawing its members from the larger pool of musicians that comprise the Orchestra della Scala. The theatre underwent a major renovation from early 2002 to late 2004. The theatre closed following the traditional 7 December 2001 season opening performances of "Otello", which ran through December. From 19 January 2002 to November 2004, the opera