Music of New Zealand Orchestra in Hamilton, the Orchestra Wellington, the Christchurch Symphony Orchestra (CSO) and the Dunedin Symphony Orchestra (DSO) (formerly the Southern Sinfonia). The New Zealand String Quartet and the NZTrio both perform locally and internationally. The NZTrio specialises in contemporary art music. New Zealand has a strong choral tradition. The Anglican cathedrals in Auckland, Wellington and Christchurch have choirs of a high standard and there are also a number of secular New Zealand choirs including the New Zealand Youth Choir, Voices New Zealand Chamber Choir, City of Dunedin Choir, Auckland Choral Society and Christchurch City Choir. Many of these choirs perform
Auckland City in 2006. In September 2003 Air New Zealand was the only one of the very largest corporations in New Zealand to have its headquarters within the Auckland CBD. These lists of suburbs are arranged electorally, by the wards, starting from the west. Note: - central business district For the suburbs of the other cities within the Auckland urban area, see North Shore, Manukau, Waitakere and Papakura. Auckland City had six sister cities and two friendship city relationships. All of these cities except Hamburg (Germany) are located around the Pacific Rim. Auckland City Auckland City is the part of Auckland urban