Impromptus, D. 899

E209730

impromptus set of piano pieces

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.

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All labels observed (8)

Label	Occurrences
Impromptus, D. 935	2
Franz Schubert Impromptu in A-flat major Op. 90 No. 4	1
Impromptu in A-flat major, D. 899 No. 4	1
Impromptu in C minor, D. 899 No. 1	1
Impromptu in E-flat major, D. 899 No. 2	1
Impromptu in G-flat major, D. 899 No. 3	1
Impromptus, D. 899 canonical	1
Schubert impromptus	1

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.

Franz Schubert → notableWork → Impromptus, D. 899 ⓘ

this entity surface form: Impromptus, D. 935

Impromptus, D. 899 → containsWork → Impromptus, D. 899 self-linksurface differs ⓘ

this entity surface form: Impromptu in C minor, D. 899 No. 1

Impromptus, D. 899 → containsWork → Impromptus, D. 899 self-linksurface differs ⓘ

this entity surface form: Impromptu in E-flat major, D. 899 No. 2

Impromptus, D. 899 → containsWork → Impromptus, D. 899 self-linksurface differs ⓘ

this entity surface form: Impromptu in G-flat major, D. 899 No. 3

Impromptus, D. 899 → containsWork → Impromptus, D. 899 self-linksurface differs ⓘ

this entity surface form: Impromptu in A-flat major, D. 899 No. 4

Impromptus, D. 899 → oftenRecordedWith → Impromptus, D. 899 self-linksurface differs ⓘ

this entity surface form: Impromptus, D. 935

Impromptus, D. 899 → workSeries → Impromptus, D. 899 self-linksurface differs ⓘ

this entity surface form: Schubert impromptus

A-flat major → usedInWork → Impromptus, D. 899 ⓘ

this entity surface form: Franz Schubert Impromptu in A-flat major Op. 90 No. 4