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 history in general. La Scala also hosts the Accademia d'Arti e Mestieri dello Spettacolo (Academy for the Performing Arts). Its goal is to train a new generation of young musicians, technical staff, and dancers (at the Scuola di Ballo del Teatro alla Scala, one of the Academy's divisions). A fire destroyed the previous theatre, the Teatro Regio Ducale, on 25 February 1776, after a carnival gala. A group of ninety wealthy Milanese, who owned private boxes in the theatre, wrote to Archduke Ferdinand of Austria-Este asking for a new theatre and a provisional one to be used while completing the