Source
Bösendorfer official company history
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Bösendorfer
Bösendorfer is an Austrian maker of handcrafted grand pianos, founded in Vienna in 1828 by Ignaz Bösendorfer. Austria's last surviving piano manufacturer, it builds a small annual output of instruments at Wiener Neustadt, known for the warm 'Viennese' tone, the Resonance Case Principle, and its concert grands including the 97-key 290 Imperial and the Vienna Concert (VC) series.