Piano Sonata No. 13 in E-flat major, Op. 27 No. 1 "Quasi una fantasia"
E944994
Piano Sonata No. 13 in E-flat major, Op. 27 No. 1 "Quasi una fantasia" is a four-movement piano sonata by Ludwig van Beethoven noted for its unconventional, fantasia-like structure and lyrical character.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Piano Sonata No. 13 in E-flat major, Op. 27 No. 1 | 2 |
| Piano Sonata No. 13 in E-flat major, Op. 27 No. 1 "Quasi una fantasia" canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11753108 — 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: Piano Sonata No. 13 in E-flat major, Op. 27 No. 1 "Quasi una fantasia" Context triple: [Beethoven piano sonatas, hasPart, Piano Sonata No. 13 in E-flat major, Op. 27 No. 1 "Quasi una fantasia"]
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A.
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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B.
Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight"
Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight" is one of Ludwig van Beethoven’s most famous and frequently performed piano works, renowned for its hauntingly lyrical first movement and innovative, emotionally charged structure.
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C.
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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D.
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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E.
Piano Sonata No. 9 in E major, Op. 14 No. 1
Piano Sonata No. 9 in E major, Op. 14 No. 1 is a three-movement piano sonata by Ludwig van Beethoven, noted for its graceful, lyrical character and classical clarity.
- 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: Piano Sonata No. 13 in E-flat major, Op. 27 No. 1 "Quasi una fantasia" Target entity description: Piano Sonata No. 13 in E-flat major, Op. 27 No. 1 "Quasi una fantasia" is a four-movement piano sonata by Ludwig van Beethoven noted for its unconventional, fantasia-like structure and lyrical character.
-
A.
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.
-
B.
Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight"
Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight" is one of Ludwig van Beethoven’s most famous and frequently performed piano works, renowned for its hauntingly lyrical first movement and innovative, emotionally charged structure.
-
C.
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.
-
D.
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.
-
E.
Piano Sonata No. 9 in E major, Op. 14 No. 1
Piano Sonata No. 9 in E major, Op. 14 No. 1 is a three-movement piano sonata by Ludwig van Beethoven, noted for its graceful, lyrical character and classical clarity.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
musical composition
ⓘ
piano sonata ⓘ |
| alternativeTitle | Quasi una fantasia NERFINISHED ⓘ |
| approximateCompositionEnd | 1801 ⓘ |
| approximateCompositionStart | 1800 ⓘ |
| catalogueNumber | Hess 13 (alternative cataloguing sometimes used) ⓘ |
| composer | Ludwig van Beethoven ⓘ |
| dedicatedTo | Princess Josephine von Liechtenstein NERFINISHED ⓘ |
| genre | Classical period piano sonata ⓘ |
| hasCatalogueEntry | Beethoven-Werkverzeichnis (Biamonti and other catalogues) NERFINISHED ⓘ |
| historicalEra | Classical era ⓘ |
| influenced | later Romantic piano sonata writing ⓘ |
| influencedBy | Classical sonata tradition ⓘ |
| key | E-flat major ⓘ |
| languageOfTitle | Italian ⓘ |
| movement |
Adagio con espressione (third movement)
ⓘ
Allegro molto e vivace (second movement) ⓘ Allegro vivace – Tempo I – Allegro vivace (fourth movement) ⓘ Andante – Allegro – Andante (first movement) ⓘ |
| notableFeature |
fantasia-like overall design
ⓘ
lyrical character ⓘ unconventional sonata structure ⓘ use of attacca transitions between movements ⓘ |
| numberOfMovements | 4 ⓘ |
| opusNumber | Op. 27 No. 1 NERFINISHED ⓘ |
| period | middle of Beethoven's early period ⓘ |
| placeOfFirstPublication | Vienna NERFINISHED ⓘ |
| published | 1802 ⓘ |
| publisher | Cappi (Vienna) NERFINISHED ⓘ |
| relatedWork | Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 NERFINISHED ⓘ |
| scoredFor | solo piano ⓘ |
| sharesOpusWith | Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 NERFINISHED ⓘ |
| structure | four movements played almost without interruption ⓘ |
| subtitleGivenByComposer | Sonata quasi una fantasia NERFINISHED ⓘ |
| tempoMarkingFirstMovement | Andante – Allegro – Andante ⓘ |
| tempoMarkingFourthMovement | Allegro vivace ⓘ |
| tempoMarkingSecondMovement | Allegro molto e vivace ⓘ |
| tempoMarkingThirdMovement | Adagio con espressione ⓘ |
| title | Piano Sonata No. 13 in E-flat major NERFINISHED ⓘ |
| typicalPerformanceDuration | approximately 17 minutes ⓘ |
| usesForm |
fantasia-like continuous form
ⓘ
modified sonata form ⓘ |
| workNumberInBeethovenPianoSonatas | 13 ⓘ |
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: Piano Sonata No. 13 in E-flat major, Op. 27 No. 1 "Quasi una fantasia" Description of subject: Piano Sonata No. 13 in E-flat major, Op. 27 No. 1 "Quasi una fantasia" is a four-movement piano sonata by Ludwig van Beethoven noted for its unconventional, fantasia-like structure and lyrical character.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
Beethoven piano sonatas
→
hasPart
→
Piano Sonata No. 13 in E-flat major, Op. 27 No. 1 "Quasi una fantasia"
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this entity surface form:
Piano Sonata No. 13 in E-flat major, Op. 27 No. 1
Sonata quasi una fantasia
→
relatedWork
→
Piano Sonata No. 13 in E-flat major, Op. 27 No. 1 "Quasi una fantasia"
ⓘ
this entity surface form:
Piano Sonata No. 13 in E-flat major, Op. 27 No. 1