- Concert - Wikipedia
A concert is a live music performance in front of an audience The performance may be by a single musician, sometimes then called a recital, or by a musical ensemble, such as an orchestra, choir, or band Concerts are held in a wide variety and size of settings, from private houses and small nightclubs, dedicated concert halls, arenas and parks to large multipurpose buildings, and even sports
- Concert pitch - Wikipedia
Concert pitch is the pitch reference to which a group of musical instruments are tuned for a performance Concert pitch may vary from ensemble to ensemble, and has varied widely over musical history In the literature this is also called international standard pitch The most common modern tuning standard uses 440 Hz for A above middle C as a reference note, with other notes being set relative
- Concert of Europe - Simple English Wikipedia, the free . . .
The Concert of Europe was a group of countries in Europe who worked together and agreed on policies to maintain a steady balance of power which included alliances between the great powers in 1814 and 1914 The member countries were the United Kingdom, Austria, Russia and Prussia (the predecessor to modern Germany) After Napoleon, ruler of France, was no longer in power, France joined the
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