Impromptus, D. 899
E209730
Impromptus, D. 899 is a set of four lyrical and technically demanding piano pieces by Franz Schubert that are central to the Romantic solo piano repertoire.
All labels observed (8)
How this entity was disambiguated
This entity first appeared as the object of triple T1891964 — 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: Impromptus, D. 899 Context triple: [Franz Schubert, notableWork, Impromptus, D. 899]
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A.
Soirées musicales, Op. 6
Soirées musicales, Op. 6 is a set of character pieces for piano by Clara Schumann that showcases her early Romantic style and pianistic virtuosity.
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B.
Piano Quartet in A minor
The Piano Quartet in A minor is an early chamber work by English composer Herbert Howells, noted for its rich late-Romantic harmonies and expressive, lyrical character.
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C.
Humoresque
Humoresque is a 1946 American romantic drama film about a talented but troubled violinist and his complex relationship with a wealthy, self-destructive patron.
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D.
Kreisleriana, Op. 16
Kreisleriana, Op. 16 is a highly expressive and structurally innovative piano cycle by Robert Schumann, inspired by E.T.A. Hoffmann’s literary character Johannes Kreisler and regarded as one of the composer’s greatest keyboard works.
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E.
Symphony No. 4 in D minor, Op. 120
Symphony No. 4 in D minor, Op. 120 is a Romantic-era symphony by Robert Schumann, known for its cyclic structure and tightly integrated movements that create a unified, dramatic whole.
- 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: Impromptus, D. 899 Target entity description: Impromptus, D. 899 is a set of four lyrical and technically demanding piano pieces by Franz Schubert that are central to the Romantic solo piano repertoire.
-
A.
Soirées musicales, Op. 6
Soirées musicales, Op. 6 is a set of character pieces for piano by Clara Schumann that showcases her early Romantic style and pianistic virtuosity.
-
B.
Piano Quartet in A minor
The Piano Quartet in A minor is an early chamber work by English composer Herbert Howells, noted for its rich late-Romantic harmonies and expressive, lyrical character.
-
C.
Humoresque
Humoresque is a 1946 American romantic drama film about a talented but troubled violinist and his complex relationship with a wealthy, self-destructive patron.
-
D.
Kreisleriana, Op. 16
Kreisleriana, Op. 16 is a highly expressive and structurally innovative piano cycle by Robert Schumann, inspired by E.T.A. Hoffmann’s literary character Johannes Kreisler and regarded as one of the composer’s greatest keyboard works.
-
E.
Symphony No. 4 in D minor, Op. 120
Symphony No. 4 in D minor, Op. 120 is a Romantic-era symphony by Robert Schumann, known for its cyclic structure and tightly integrated movements that create a unified, dramatic whole.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
impromptus
ⓘ
set of piano pieces ⓘ |
| alternativeCatalogNumber | Op. 90 ⓘ |
| approximateCompositionPeriod | 1827-1828 ⓘ |
| approximateYearOfFirstPublication | 1827 ⓘ |
| catalogNumber | D. 899 ⓘ |
| centralToRepertoire | Romantic solo piano repertoire ⓘ |
| composer | Franz Schubert ⓘ |
| containsWork |
Impromptus, D. 899
self-linksurface differs
ⓘ
surface form:
Impromptu in A-flat major, D. 899 No. 4
Impromptus, D. 899 self-linksurface differs ⓘ
surface form:
Impromptu in C minor, D. 899 No. 1
Impromptus, D. 899 self-linksurface differs ⓘ
surface form:
Impromptu in E-flat major, D. 899 No. 2
Impromptus, D. 899 self-linksurface differs ⓘ
surface form:
Impromptu in G-flat major, D. 899 No. 3
|
| countryOfOrigin | Austria ⓘ |
| dedicatedTo | Franz Schubert’s patron and friends (unspecified in autograph) ⓘ |
| difficultyLevel | advanced ⓘ |
| frequentlyPerformedBy | concert pianists worldwide ⓘ |
| genre | Romantic piano music ⓘ |
| hasKeySignatureDistribution | two major-key and two minor-key related pieces ⓘ |
| hasOpusGrouping | group of four impromptus ⓘ |
| hasThematicFeature | contrast between lyrical themes and virtuosic passagework ⓘ |
| includedIn | standard concert piano repertoire ⓘ |
| influenced | later Romantic piano miniatures ⓘ |
| influencedBy | early Romantic piano idiom ⓘ |
| instrumentation | solo piano ⓘ |
| keyOfFirstPiece | C minor ⓘ |
| keyOfFourthPiece | A-flat major ⓘ |
| keyOfSecondPiece | E-flat major ⓘ |
| keyOfThirdPiece | G-flat major ⓘ |
| languageOfTitle | French ⓘ |
| movementCount | 4 ⓘ |
| notableCharacteristic |
lyrical character
ⓘ
rich harmonic language ⓘ song-like melodic writing ⓘ technical demands for the pianist ⓘ use of ternary and variation forms ⓘ |
| numberOfPieces | 4 ⓘ |
| oftenRecordedWith |
Impromptus, D. 899
self-linksurface differs
ⓘ
surface form:
Impromptus, D. 935
|
| opusNumberAssignedByPublisher | Op. 90 ⓘ |
| placeOfComposition | Vienna ⓘ |
| placeOfFirstPublication | Vienna ⓘ |
| publisherOfFirstEdition | Tobias Haslinger ⓘ |
| stylePeriod | Romantic ⓘ |
| typicalPerformanceDuration | approximately 30 minutes ⓘ |
| workOf | Franz Schubert ⓘ |
| workSeries |
Impromptus, D. 899
self-linksurface differs
ⓘ
surface form:
Schubert impromptus
|
| yearOfComposition | 1827 ⓘ |
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: Impromptus, D. 899 Description of subject: Impromptus, D. 899 is a set of four lyrical and technically demanding piano pieces by Franz Schubert that are central to the Romantic solo piano repertoire.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Impromptus, D. 935
this entity surface form:
Impromptu in C minor, D. 899 No. 1
this entity surface form:
Impromptu in E-flat major, D. 899 No. 2
this entity surface form:
Impromptu in G-flat major, D. 899 No. 3
this entity surface form:
Impromptu in A-flat major, D. 899 No. 4
this entity surface form:
Impromptus, D. 935
this entity surface form:
Schubert impromptus
this entity surface form:
Franz Schubert Impromptu in A-flat major Op. 90 No. 4