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
Rudy La Scala certification in Venezuela. La Scala produced "The Witch", Ambar's second album in 1980; the same year he also produced "Que Nota" for the singer Stella. In 1983, an album written and produced by La Scala, and performed by Arturo Vázquez was released. The theme song for the 1985 soap opera "Cristal", "Mi Vida Eres Tú", was written and performed by La Scala. "Cristal" and the song became very successful in Latin America and Spain. The song was included in La Scala's album "Volvamos a Vivir", which peaked at number two in the "Billboard" Latin Pop Albums chart in United States.