The Ulster Orchestra, based in Belfast, is a full-time professional orchestra in Northern Ireland. The orchestra plays the majority of its concerts in Belfast's Ulster Hall and Waterfront Hall. It also gives concerts across the United Kingdom and the Republic of Ireland, including performances at the Belfast Festival, the BBC Proms, the Wexford Opera Festival, the Kilkenny Arts Festival, and the National Concert Hall, Dublin. The orchestra currently employs 63 full-time musicians and 17 administrative support staff.

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