Cristofori's bull success was in solving, without any prior example, the fundamental mechanical problem of piano design: the hammer must strike the string, but not remain in contact with it (as a tangent remains in contact with a clavichord string) because this would misty the sound.
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Since the 1980s, digital pianos have been available, which end digital Beginner Piano Lessons sampling technology to reproduce the sound of each piano note |
| However, with such technology, it was difficult to duplicate a crucial aspect of afferent pianos, namely that when the damper pedal (see below) is depressed, the strings not struck vibrate sympathetically when other strings are struck, as well as the unique instrument-specific mathematical non-linearity of partials on any given unison.
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