Preludes, Op. 31 (Alkan)

The Preludes, Op. 31 are a set of 25 short pieces for solo piano composed by Charles-Valentin Alkan, published in 1844. They are diverse in character and style, showcasing Alkan's unique and often idiosyncratic compositional voice. Each prelude explores a different mood, technique, or musical idea, ranging from simple melodies to complex contrapuntal textures.

The collection is notable for its variety of forms, including canons, etudes, dances, and miniature character pieces. The difficulty of the pieces varies greatly, with some being relatively accessible and others requiring considerable virtuosity and musical understanding. Several of the preludes foreshadow later developments in Alkan's music, both in terms of harmonic language and pianistic challenges.

While often overlooked in Alkan's vast output, the Preludes, Op. 31 are regarded as significant examples of his compositional skill and contribute to the understanding of his distinctive and often unconventional approach to piano music. They offer a glimpse into his musical personality and serve as valuable stepping stones to his more monumental and technically demanding works. They are often performed as a set or in selections. Individual preludes have also gained popularity as standalone pieces.