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 backlash caused serious disruptions and staff strikes. In a statement, the theatre's board said it was "urgent to unify the theatre's management." On 16 March 2005, the La Scala orchestra and other staff overwhelmingly approved a no-confidence motion against Muti, and demanded the resignation of Fontana's replacement, Mauro Meli. Muti had already been forced to cancel a concert a few days earlier because of the disagreements. Italy's culture minister, Giuliano Urbani, supported the conductor but called for urgent action by management to safeguard the smooth operation and prestige of La Scala. On 2 April 2005, Muti resigned from La Scala,