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Dulcimer This ancestor of the piano originated in Iran shortly after the birth of Christ. It illustrates the basic principles of the piano, hammers striking multiple strings tuned over a flat soundboard. Instead of mechanical hammers, dulcimer players used two light sticks ending with broader blades. |
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Clavichord First built around 1400, the clavichord was most popular three centuries later in the music of Bach. When a key is pressed, a vertical brass strip (tangent) is lifted toward a pair of strings. The clavichord has a quiet tone, but the way it’s built allows for some control of dynamics and even vibrato. |
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Virginal The typical virginal is a small harpsichord with keys at right angles to a single set of strings. When a key is pressed, a vertical rod (jack) holding a leather or quill plectrum rises and plucks the string, producing a louder tone than the clavichord but without its dynamic variety. |
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Spinet Though originating in Italy, the spinet was perfected by English builders in the late seventeen century, about the time of composer Henry Purcell. The jack mechanism plucks the strings just as in the virginal, but the wing shape permits longer strings, increasing the volume and expanding the range to as much as five octaves. |
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Harpsichord Pictured as early as the fifteenth century, the harpsichord form (where the keys are in line with strings) reached its peak in the period of Bach and Handel. In this shape, the pattern for the modern grand, the strings are longer, and the instrument sounds louder than the clavichord. |
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Cristofori Pianoforte About 1709, Bartolommeo Cristofori built several instruments in the harpsichord shape but with hammer mechanisms surprisingly like the modern piano action. Because players could control soft and loud (piano-forte), which was impossible on plucked keyboard instruments, Cristofori named his new instrument pianoforte! |
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Piano of Beethoven’s Time During the eighteenth century, piano builders gradually extended the keyboard. Two important new developments were the escapement action for faster repetition of notes (about 1770 by Stein in Augsburg), and the damper and soft pedals (1783 by Broadwood in London). Special pedals, like the ones in this illustration, were often added to produce exotic effects. |
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Upright Piano The upright design was already in use for harpsichords in the sixteen century. In the eighteenth century, many builders (especially in Germany) tried to apply this form to the pianoforte. In 1800 the first satisfactory uprights were invented. |
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Square Grand Piano The square piano originated when German builders (especially Johannes Socher in 1742) tried to adapt Cristofori’s pianoforte to the traditional rectangular shape of the clavichord. The square piano was popular until about 1900. |
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Piano of Lincoln’s Time During the ninteenth century, the piano continued to become more powerful and responsive. The outstanding improvements were the double-repetition action of Sebastien Erard (Paris, 1821) which allowed very rapid repetition; and the full cast-iron frame of Alphaeus Babcock (Boston 1825), the basis for today’s extended keyboard. |
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Modern Grand Piano The grand piano of today incorporates the best qualities of early keyboard instruments. Cross stringing – a way to achieve greater richness of tone by passing more strings over the center of the soundboard– was invented by Alphaeus Babcock in 1830, but was not used in the grand piano until the second half of the ninteenth century. The sostenuto, or middle, pedal was introduced in the late ninteenth century, permitting greater musical coloring. |
