Étude Op. 25, No. 10 (Chopin)
étude written by Chopin

Étude Op. 25, No. 10, in B minor is a solo piano study composed by Frédéric Chopin in 1835.
Structure
Étude Op. 25, No. 10 features many unique aspects not typically present in Chopin's études, including a significant and distinctive ternary form. The first theme is presented as a series of eighth note-tuplets in cut time, but not in 128 time, played at a very fast tempo of Allegro. The second theme is in B minor's parallel major, B major, and in triple metre. The second theme is repeated four times, and develops into a variation of the first theme, returning to cut time and B minor.
Copious pedal point notes and phrase markings are present in the second theme, but the entire étude lacks any pedal indications.
This brief starts where responsible research should: with the source description of “Étude Op. 25, No. 10 (Chopin)” as étude written by Chopin. Everything that follows is an evidence route, not borrowed authority.
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The subject matters to the general reference register because the source frames it as étude written by Chopin. Its deeper value depends on whether names, dates, institutions and citations support that framing.
Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Nov 11, 2025. The linked authority identifier is Q147519. VIAF identifies the subject as 186113780. The Library of Congress control number is no98043804. 1 of 4 selected statements include explicit references; 2 carry qualifiers and 0 use preferred rank. The first chronological checks are 1835.
The absence of detail may reflect summary conventions rather than a lack of surviving documentation. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
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This entry incorporates text from “Étude Op. 25, No. 10 (Chopin)” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.