Development |

German Durchführung, French and English. development

The middle section of the full sonata form, which is dominated by the developmental method of development. The essence of the latter lies in the fragmentation of the previously stated topic into sections. phrases, motives, in their isolation. These phrases and motifs, temporarily acquiring constructive independence, undergo a number of changes – melodic, harmonic, tonal, rhythmic, register, timbre. Tonal shifts are usually based on a certain principle – sequence, movement to the dominant or subdominant side, moving to one interval or another. Timbre shifts are carried out by transferring motives from one group of instruments (or one instrument) to another group (or another instrument). Creatures. a role in R. is played by polyphonic techniques. development: fugue movement – up to the appearance of a fugato on one of the themes of the exposition (often modified) or its fragment; the use of complex counterpoint; For R. sonata form of the period of classicism is characterized by continuous forward movement. In the era of romanticism, consequential movements of large sections also begin to be used. In the 1st movement of Schubert’s string quintet C-dur op. 163 this gives rise to the typical A1A2B structure, which is also used by a number of other composers.

Sonata R. may also include a presentation of a new topic, which forms an “episode in development.” Most often this theme is lyric. character.

R. as a major section of the form is also found in the rondo sonata. The principle of developmental development forms the basis of unstable sections and other forms, for example. middles in simple two-part reprise and three-part. It can also appear in other sections of forms (often in conjunctions), creating moments of instability and active thematic. development.

References: see under the article Sonata form.

V. P. Bobrovsky