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Jan 1, 1400
Invention of the clavichord
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Period: Jan 1, 1400 to
Piano Timespan
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Jan 1, 1521
Invention of the harpsicord
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Invention of the pianoforte
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The first "grand" pianoforte
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"Cabinet Piano"
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The upright piano
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Grand Piano
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The player piano
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Invention of the electric keyboard
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Increase of electric pianos
