Classical Structures

Overview

Classical structures are forms used to organise the musical materials. These structures were evolved during the Classical Period and include well-defined sections, contrasts, and repeats.

Sonata Form

Sonata form - a typical structure for first movements. Incorporates exposition (two contrasting themes), development (materials are developed & modulated), and recapitulation (both themes return in home key).

Binary and Ternary

Binary form (AB) - a structure in two sections where ‘A’ and ‘B’ are contrasting but related material.
Ternary form (ABA) - a three-part musical form where the second section contrasts the first section, and the third section is a repeat of the first.

Theme and Variations

Theme and variations - a form that features a main theme followed by several variations that alter some elements of the main theme like rhythm, harmony, or melody.

Rondo Form

Rondo form (ABACADA…) - a musical form where the main theme (A) repeats, and in between, contrasting themes appear (B, C, D etc.)

Minuet and Trio

Minuet and Trio - a ternary form developed during the Classical period, typically used as the third movement in a four-movement work. The minuet is followed by a contrasting trio section, then the minuet is repeated.

Remember understanding these structures helps in quick identification and analysis of various Classical pieces. It’s also helpful for composition.