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File:Steinway & Sons upright piano, model K-52 (mahogany finish), manufactured at Steinway's factory in New York City.jpg - Wikimedia Commons
The Piano: The Pianofortes of Bartolomeo Cristofori (1655–1731) | Essay | The Metropolitan Museum of Art | Heilbrunn Timeline of Art History
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The Piano: The Pianofortes of Bartolomeo Cristofori (1655–1731) | Essay | The Metropolitan Museum of Art | Heilbrunn Timeline of Art History
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