An orchestra is a mechanical musical instrument that plays automatically. Belongs to the class of harmonics. The name is also applied to other instruments with a similar design. The first model was created at the end of the 900th century. The instrument designer is the German composer Abbot Vogler. The orchestra was similar in design to the organ. The main difference is the ease of transportation due to the reduced dimensions. The invention consisted of 63 tubes. The number of keys is 39. The number of pedals is XNUMX. The sound resembled an organ limited in range. Also in the XNUMXth century, a similar instrument appeared in the Czech Republic.…

A music box is a kind of mechanical musical instrument, which has long been not only a means of playing melodies, but also an interior decoration. At the end of the XNUMXth – beginning of the XNUMXth century, such a trifle was available in all aristocratic families. Today, music boxes, although they have lost their former popularity, are a welcome gift, they personify magic, antiquity, a fairy tale. Model in the form of a dresser The device and the principle of operation The principle of operation of all models is the same: inside the acoustic box, steel plates are arranged in the desired sequence, differing in thickness – they form…

In the XNUMXth century, itinerant musicians entertained onlookers in the streets with unpretentious melodies produced by a hand-held musical instrument called a street organ. The small mechanical device seemed to be an amazing, magical creation. The organ grinder slowly turned the handle of the box, a melody poured out of it, the sound of which fascinated adults and children. Structure and principle of operation The first designs were quite simple. A roller with pins was installed inside the wooden box, it was spinning, the pins captured the “tails” corresponding to a certain sound. This is how simple music was played. Soon there were barrel-organs with a xylophone mechanism, when the…