Prelude (musical form)

Characteristics

Preludes tend to be short, concentrated, and expressive. They may be improvisatory in character, free in form, or tightly composed. Textures vary from simple single-voice lines to full chordal writing. Many composers used them to explore a mood, a key, or technical ideas without the constraints of longer forms.

History and development

The prelude emerged in the Baroque era as an improvised introduction to organ and harpsichord pieces, and as a warm-up for the performer. In the 18th century it often led directly into a fugue. By the Romantic period composers transformed the prelude into a concert piece and a vehicle for concise expression; some created cycles covering all keys.

Notable examples and uses

Important collections and individual preludes illustrate its versatility:

• J.S. Bach — pairs of preludes and fugues in The Well-Tempered Clavier.
• Frédéric Chopin — 24 Preludes, Op. 28, each a compact character piece.
• Claude Debussy — two books of Préludes exploring color and atmosphere.
• Organ preludes used in church service to introduce hymns or liturgy.

Distinctions and related forms

Preludes differ from overtures and interludes by scope and function: an overture prepares an opera or large work, while a prelude is usually shorter and more intimate. Preludes also differ from études, which primarily aim at technical study, though some preludes have pedagogical value. Performers sometimes begin a recital with a prelude as a mood-setting piece.

For practical information about instruments commonly featured in preludes see instrument resources and repertoire lists.