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
Coldren Opera House Coldren Opera House The Coldren Opera House is a former theater that operated in Iowa City, Iowa from 1877 until its closure in 1912. The original opening of Englert Theatre with its legitimate stage and orchestra pit, plus a huge retractable screen for motion picture presentations, coupled with a new University of Iowa auditorium in Macbride Hall, which had been opened during 1908, spelled doom for another notable Iowa City institution, the Coldren Opera House (initially called the Grand Opera House) at 105 College Street. Although calling itself an opera house, little opera was ever performed there. Rather, the name