Tschaikovsky - 1812 Overture, op. 49

Tchaikovsky's Overture 1812 expresses Russia's nationalist spirit for the Russians' magnificent victory over Napoleon. In 1880, when he was writing the charming Serenade for Strings, Tchaikovsky undertook to compose a "ceremonial introduction" for an exhibition of industrial art in Moscow. As a theme of his introduction he chose Napoleon's Russia Campaign, which ended with the great victory of the Russian Army. At first the composer intended the introduction to be for outdoor performance and felt that it should be "very loud and noisy". Since then the introduction has become his most famous and most popular concert work. The "1812 Overture" is in fact an introduction to a concerto, in other words is a stand-alone work of orchestral music and not an introduction to opera or a more extensive work. The play describes the invasion of Russia by Napoleon's troops in 1812 and their retreat and defeat in the winter of the same year. Despite

Harp


The sound of the harp has an ethereal quality, which creates the mental image of a divine being playing wavy arppegios, seated in a silver cloud.

There is evidence that the harp has been known in Egypt and Mesopotamia since 3000 BC. In ancient times the harps were generally much smaller than today's. The instrument was then called "lyre". These small buckles rested on the corner of the bent arm. Today's harp is so large that it needs a track base to transport it.

The body of the modern harp is mainly made of maple and its speaker is made of pine. Some very expensive harps are covered with gold leaf and are richly decorated. The harp strings are made of intestines, while the longer strings are wrapped with very thin wire to be more durable. As with the piano, the longer a string is, the lower the note produced. In the harp, due to their apparent uniformity, the strings are painted in different colors depending on the height of the note, to facilitate the performer.

The harp was undoubtedly the most common instrument of voice accompaniment before the keyboards were deployed. The Celtic and Welsh harps have been known for their use in traditional music for centuries, while the contemporary has been a member of the symphony orchestra since the mid-19th century.

How the harp works
The harp is tuned in the key C-flat nd its pitch range extends to a width of about six octaves. The tonality is altered by a mechanism of seven pedals located at its base. At the touch of a pedal the performer can raise the strings by a halftone or a tone. Each pedal affects only one note of the scale, the entire extent of the instrument. In other words, by pressing the pedal of C-flat once, all C-flat strings are tuned C, while pressing it twice are tuned C-sharp.

When the player presses a pedal, a rubber mechanism rotates a series of discs with forks through which the string passes. The fork presses the string reducing its length and the tuning rises by a halftone. Each string goes through two discs and can therefore be raised by two halftones, one for each position of the pedal.




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