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|
 A grand piano (left) and an upright piano (right) | |
| Keyboard instrument | |
|---|---|
| Hornbostel–Sachs classification | 314.122-4-8 (Simple chordophone with keyboard sounded by hammers) |
| Inventor(s) | Bartolomeo Cristofori |
| Developed | Early 18th century |
| Playing range | |
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| Musicians | |
| Pianists (Lists of pianists) | |
The piano is an acoustic, keyboard and stringed musical instrument in which the strings are struck by wooden hammers that are coated with a softer material (modern hammers are covered with dense wool felt; some early pianos used leather). It is played using a keyboard, which is a row of keys (small levers) that the performer presses down or strikes with the fingers and thumbs of both hands to cause the hammers to strike the strings. It was invented in Italy by Bartolomeo Cristofori around the year 1700 (the exact year is uncertain).
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