Western variant - someone want to write about Indonesian?
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[[Image:Orch.jpg|right|thumb|400px|The Western Illinois University Symphony Orchestra.]]
[[Image:Orch.jpg|right|thumb|400px|The Western Illinois University Symphony Orchestra.]]
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An '''orchestra''' is an ensemble of musicians, led by a director. Orchestras are used frequently in [[classical music]] and often have the [[instrument]]s divided into sections. The orchestra is made up of four groups of instruments - strings, woodwind, brass and percussion.
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An '''orchestra''' is an ensemble of musicians, led by a director. Orchestras are used frequently in [[classical music]] and often have the [[instrument]]s divided into sections. The traditional European orchestra is made up of four groups of instruments - strings, woodwind, brass and percussion.