Étude Op. 25, No. 11 (Chopin)

Étude Op. 25, No. 11, in A minor, often referred to as the Winter Wind in English and Seasoned Plants in some other languages, is a solo piano technical study composed by Frédéric Chopin in 1836. It was first published together with all études of Opus 25 in 1837, in France, Germany, and England. The first French edition indicates a common time time signature, but the manuscript and the first German edition both feature cut time. The first four bars that characterize the melody were added just before publication at the advice of Charles A. Hoffmann, a friend.

Structure

Étude Op. 25, No. 11 is a study for developing stamina, dexterity, and technique - essential skills for any concert pianist. It begins with a piano introduction of the main melody. The first theme follows, consisting of tumultuous cascades of semiquaver-tuplets (sixteenth-note-tuplets) and a leaping figure for the left hand in the relative major, C major, which shortly segues into a repetition of the first theme. It finishes with a short development into a fortissimo coda, and ends with one final statement of the theme.

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Discography

A minor

A minor (abbreviated Am) is a minor scale based on A, consisting of the pitches A, B, C, D, E, F, and G. The harmonic minor scale raises the G to G♯. Its key signature has no flats or sharps (see below: Scales and keys).

Its relative major is C major, and its parallel major is A major.

Changes needed for the melodic and harmonic versions of the scale are written in with accidentals as necessary.

Johann Joachim Quantz considered A minor, along with C minor, much more suitable for expressing "the sad effect" than other minor keys (Versuch einer Anweisung die Flöte traversiere zu spielen).

Whereas traditionally key signatures were cancelled with naturals whenever the new key signature had fewer sharps or flats than the old key signature, or had flats instead of sharps or vice versa (so, for example, D major changing to D minor would be notated with a key signature of F♮, C♮, and B♭ at the change), in modern popular and commercial music, cancellation is only done when C major or A minor replaces another key.

Wind

Wind is the flow of gases on a large scale. On the surface of the Earth, wind consists of the bulk movement of air. In outer space, solar wind is the movement of gases or charged particles from the Sun through space, while planetary wind is the outgassing of light chemical elements from a planet's atmosphere into space. Winds are commonly classified by their spatial scale, their speed, the types of forces that cause them, the regions in which they occur, and their effect. The strongest observed winds on a planet in the Solar System occur on Neptune and Saturn. Winds have various aspects, an important one being its velocity; another the density of the gas involved; another is the energy content or wind energy of a wind.

In meteorology, winds are often referred to according to their strength, and the direction from which the wind is blowing. Short bursts of high speed wind are termed gusts. Strong winds of intermediate duration (around one minute) are termed squalls. Long-duration winds have various names associated with their average strength, such as breeze, gale, storm, and hurricane. Wind occurs on a range of scales, from thunderstorm flows lasting tens of minutes, to local breezes generated by heating of land surfaces and lasting a few hours, to global winds resulting from the difference in absorption of solar energy between the climate zones on Earth. The two main causes of large-scale atmospheric circulation are the differential heating between the equator and the poles, and the rotation of the planet (Coriolis effect). Within the tropics, thermal low circulations over terrain and high plateaus can drive monsoon circulations. In coastal areas the sea breeze/land breeze cycle can define local winds; in areas that have variable terrain, mountain and valley breezes can dominate local winds.

Winter

Winter is the coldest season of the year in polar and temperate climates, between autumn and spring. Winter is caused by the axis of the Earth in that hemisphere being oriented away from the Sun. Different cultures define different dates as the start of winter, and some use a definition based on weather. When it is winter in the Northern Hemisphere, it is summer in the Southern Hemisphere, and vice versa. In many regions, winter is associated with snow and freezing temperatures. The moment of winter solstice is when the sun's elevation with respect to the North or South Pole is at its most negative value (that is, the sun is at its farthest below the horizon as measured from the pole), meaning this day will have the shortest day and the longest night. The earliest sunset and latest sunrise dates outside the polar regions differ from the date of the winter solstice, however, and these depend on latitude, due to the variation in the solar day throughout the year caused by the Earth's elliptical orbit (see earliest and latest sunrise and sunset).