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
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,