Piano Music by Form
Every public-domain piano work in the library, organized by its musical form — sonata, prelude, fugue, nocturne, étude, waltz, and the rest of the genres that built the keyboard tradition.
The keyboard's repertoire is best understood not just by composer or by era but by the formal traditions composers chose to work within. A sonata sets one set of expectations; a prelude another; a nocturne another still. These pages collect every score the library holds in each major form, with editorial commentary on the form's history and the generations of composers who shaped it.
Some of the forms below are inheritances from the dance suite and the church organ tradition — the prelude, fugue, partita, suite, gavotte, minuet — passed down from the Baroque keyboard masters and adapted by every subsequent generation. Others are nineteenth-century inventions: the nocturne (created by John Field around 1812 and perfected by Chopin), the ballade (borrowed from poetry by Chopin), the concert étude (transformed from teaching exercise into recital piece by Chopin and Liszt), the concert waltz (lifted from the ballroom into the concert hall by Schubert, Chopin, and Brahms).
Studying a single form across many composers and decades is one of the most efficient ways to understand the keyboard tradition as a continuous conversation. Each generation reads the work of the previous one, accepts some of its conventions, rejects others, and bends the form to new expressive purposes. The form indexes below collect every public-domain work in the library that fits each genre, with composer, key, year, and direct links to PDF score editions hosted by the IMSLP / Petrucci Music Library.