Ludwig van Beethoven Piano Sonata No. 12 Op. 26
E944985
Ludwig van Beethoven's Piano Sonata No. 12 in A-flat major, Op. 26, is a four-movement work notable for its theme-and-variations opening and its famous funeral march movement.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Ludwig van Beethoven Piano Sonata No. 12 Op. 26 canonical | 1 |
| Piano Sonata No. 12 in A-flat major, Op. 26 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11753061 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ludwig van Beethoven Piano Sonata No. 12 Op. 26 Context triple: [A-flat major, usedInWork, Ludwig van Beethoven Piano Sonata No. 12 Op. 26]
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A.
Piano Sonatas, Op. 26
Piano Sonatas, Op. 26 is a set of keyboard sonatas by Muzio Clementi that exemplifies his influential Classical-era style and technical innovation for the piano.
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B.
Piano Sonata No. 2 in B-flat minor, Op. 36
Piano Sonata No. 2 in B-flat minor, Op. 36 is a large-scale, virtuosic and emotionally intense piano work by Sergei Rachmaninoff, noted for its sweeping Romantic lyricism and technical demands.
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C.
Piano Sonata No. 7 in B-flat major
Piano Sonata No. 7 in B-flat major is a powerful and rhythmically driven piano work by Sergei Prokofiev, renowned as one of his three "War Sonatas" and a landmark of 20th-century piano repertoire.
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D.
Piano Sonata No. 2 in A-flat major, Op. 39
Piano Sonata No. 2 in A-flat major, Op. 39 is a virtuosic early Romantic piano work by Carl Maria von Weber, noted for its brilliant keyboard writing and expressive contrasts.
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E.
Sonata No. 12 in G major, Op. 2
Sonata No. 12 in G major, Op. 2 is a baroque trio sonata by Arcangelo Corelli, included as the twelfth piece in his influential Opus 2 collection.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Ludwig van Beethoven Piano Sonata No. 12 Op. 26 Target entity description: Ludwig van Beethoven's Piano Sonata No. 12 in A-flat major, Op. 26, is a four-movement work notable for its theme-and-variations opening and its famous funeral march movement.
-
A.
Piano Sonatas, Op. 26
Piano Sonatas, Op. 26 is a set of keyboard sonatas by Muzio Clementi that exemplifies his influential Classical-era style and technical innovation for the piano.
-
B.
Piano Sonata No. 2 in B-flat minor, Op. 36
Piano Sonata No. 2 in B-flat minor, Op. 36 is a large-scale, virtuosic and emotionally intense piano work by Sergei Rachmaninoff, noted for its sweeping Romantic lyricism and technical demands.
-
C.
Piano Sonata No. 7 in B-flat major
Piano Sonata No. 7 in B-flat major is a powerful and rhythmically driven piano work by Sergei Prokofiev, renowned as one of his three "War Sonatas" and a landmark of 20th-century piano repertoire.
-
D.
Piano Sonata No. 2 in A-flat major, Op. 39
Piano Sonata No. 2 in A-flat major, Op. 39 is a virtuosic early Romantic piano work by Carl Maria von Weber, noted for its brilliant keyboard writing and expressive contrasts.
-
E.
Sonata No. 12 in G major, Op. 2
Sonata No. 12 in G major, Op. 2 is a baroque trio sonata by Arcangelo Corelli, included as the twelfth piece in his influential Opus 2 collection.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
piano sonata
ⓘ
solo piano work ⓘ |
| alternativeTitle | Sonata quasi una fantasia NERFINISHED ⓘ |
| approximateDuration | 20 minutes ⓘ |
| associatedCity | Vienna NERFINISHED ⓘ |
| belongsToGenre | keyboard sonata ⓘ |
| belongsToRepertoire | concert piano repertoire ⓘ |
| catalogueNumber | Op. 26 ⓘ |
| chronologicalPositionInBeethovenSonatas | early-middle period ⓘ |
| composer | Ludwig van Beethoven ⓘ |
| compositionDate | 1800–1801 ⓘ |
| compositionEndDate | circa 1801 ⓘ |
| compositionStartDate | circa 1800 ⓘ |
| countryOfOrigin | Austria ⓘ |
| dedicatedTo | Prince Karl Lichnowsky NERFINISHED ⓘ |
| formalInnovation |
begins with a slow theme-and-variations movement instead of a sonata-allegro
ⓘ
places a funeral march as the third movement ⓘ |
| hasMovement |
I. Andante con variazioni
ⓘ
II. Scherzo: Allegro molto ⓘ III. Marcia funebre sulla morte d’un Eroe NERFINISHED ⓘ IV. Allegro ⓘ |
| hasNickname | Funeral March Sonata NERFINISHED ⓘ |
| influenced | Frédéric Chopin’s Piano Sonata No. 2 funeral march NERFINISHED ⓘ |
| instrumentation | solo piano ⓘ |
| key | A-flat major ⓘ |
| languageOfTitle | German ⓘ |
| movementCount | 4 ⓘ |
| notableFeature |
funeral march third movement
ⓘ
theme-and-variations first movement ⓘ |
| numberInSet | 12 ⓘ |
| openingMovementForm | theme and variations ⓘ |
| opusNumber | Op. 26 ⓘ |
| partOf | Beethoven piano sonatas NERFINISHED ⓘ |
| period | Classical ⓘ |
| placeOfPublication | Vienna NERFINISHED ⓘ |
| publicationDate | 1802 ⓘ |
| publisher | Cappi NERFINISHED ⓘ |
| stylePeriod | Classical–early Romantic ⓘ |
| thirdMovementTitle | Marcia funebre sulla morte d’un Eroe NERFINISHED ⓘ |
| thirdMovementType | funeral march ⓘ |
| tonalCenterFirstMovement | A-flat major ⓘ |
| tonalCenterFourthMovement | A-flat major ⓘ |
| tonalCenterSecondMovement | A-flat major ⓘ |
| tonalCenterThirdMovement | A-flat minor ⓘ |
| usesFormInFinale | rondo-like form ⓘ |
| usesTexture | homophonic and contrapuntal textures ⓘ |
| workNumber | Piano Sonata No. 12 NERFINISHED ⓘ |
| workOf | Ludwig van Beethoven NERFINISHED ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Ludwig van Beethoven Piano Sonata No. 12 Op. 26 Description of subject: Ludwig van Beethoven's Piano Sonata No. 12 in A-flat major, Op. 26, is a four-movement work notable for its theme-and-variations opening and its famous funeral march movement.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Piano Sonata No. 12 in A-flat major, Op. 26