The Sydney Symphony is internationally renowned [1] and regularly performs in the Concert Hall (2,600 seats) of the Sydney Opera House under Chief Conductor Vladimir Ashkenazy. City Recital Hall is dedicated mainly to chamber music and chamber orchestra concerts, featuring many famous international artists as well as concert series by fine local groups such as the renowned Australian Chamber Orchestra and Sydney's foremost Baroque orchestra, the Australian Brandenburg Orchestra.
Opera Australia, the world's third-busiest opera company,[2] has its headquarters in Sydney and performs a busy program of mainly classical and occasionally contemporary operas at the Opera Theatre of the Sydney Opera House. Sydney is the birthplace of the composer George Frederick Boyle.
New experimental and avant-garde music is performed by Ensemble Offspring, Halcyon, The Noise and others, at the recently refurbished Carriageworks and many small inner-city cafes, warehouses, theatres, etc. Both Liquid Architecture and What Is Music are annual festivals of modern music and sound art.