The Sydney Opera House, an architectural landmark completed in 1973 after 14 years of construction, is the city's performing arts headquarters, encompassing an opera theater, concert hall, and playhouse. The complex consists of three interconnected sections that cover 1.8 hectares (4.4 acres) and can seat more than 5,100 people altogether. It provides a performance venue for the Australian Opera, the Australian Ballet, the Sydney Opera House Drama Theatre, the Sydney Philharmonia Choir, Musica Viva Australia, and the Sydney Symphony Orchestra.
The Sydney Symphony Orchestra gives more than 140 concerts a year (many at Town Hall on George Street). In addition to concerts by the Symphony Orchestra, Musica Viva, and the Philharmonia Choir, classical music can also be heard regularly at the Conservatorium of Music and at Sydney's universities.
The Australian Ballet, which has an international reputation, presents four concerts a year at the Sydney Opera House and tours throughout Australia. The Sydney Dance Company (SDC) is Australia's premier modern dance troupe, performing at both Pier Four and the Opera House.
The Sydney Theatre Company performs both plays from the standard repertory and works by Australian authors. Beside the Opera House, Sydney's other major theater venues are Her Majesty's Theatre, the Seymour Theatre Centre,
Sydney also has a thriving jazz scene, based at clubs such as Kinselas, the Basement, and the Harbourside Brasserie.