BWV 858
E1033688
BWV 858 is one of Johann Sebastian Bach’s preludes and fugues from The Well-Tempered Clavier, a landmark collection exploring all major and minor keys.
All labels observed (1)
| Label | Occurrences |
|---|---|
| BWV 858 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12529029 — 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: BWV 858 Context triple: [BWV 846–893, containsWork, BWV 858]
-
A.
BWV 852
BWV 852 is a prelude and fugue in E major by Johann Sebastian Bach, part of the first book of The Well-Tempered Clavier.
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B.
BWV 856
BWV 856 is one of Johann Sebastian Bach’s keyboard preludes and fugues from The Well-Tempered Clavier, Book I.
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C.
BWV 857
BWV 857 is a prelude and fugue in F minor by Johann Sebastian Bach, part of his first book of The Well-Tempered Clavier.
-
D.
BWV 851
BWV 851 is a prelude and fugue in E minor for keyboard by Johann Sebastian Bach, included in the first book of The Well-Tempered Clavier.
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E.
BWV 850
BWV 850 is a prelude and fugue in D major for keyboard by Johann Sebastian Bach, included in the first book of The Well-Tempered Clavier.
- 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: BWV 858 Target entity description: BWV 858 is one of Johann Sebastian Bach’s preludes and fugues from The Well-Tempered Clavier, a landmark collection exploring all major and minor keys.
-
A.
BWV 852
BWV 852 is a prelude and fugue in E major by Johann Sebastian Bach, part of the first book of The Well-Tempered Clavier.
-
B.
BWV 856
BWV 856 is one of Johann Sebastian Bach’s keyboard preludes and fugues from The Well-Tempered Clavier, Book I.
-
C.
BWV 857
BWV 857 is a prelude and fugue in F minor by Johann Sebastian Bach, part of his first book of The Well-Tempered Clavier.
-
D.
BWV 851
BWV 851 is a prelude and fugue in E minor for keyboard by Johann Sebastian Bach, included in the first book of The Well-Tempered Clavier.
-
E.
BWV 850
BWV 850 is a prelude and fugue in D major for keyboard by Johann Sebastian Bach, included in the first book of The Well-Tempered Clavier.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
keyboard composition
ⓘ
prelude and fugue ⓘ |
| associatedComposerStyle | High Baroque ⓘ |
| catalogNumber | BWV 858 NERFINISHED ⓘ |
| collection | The Well-Tempered Clavier NERFINISHED ⓘ |
| collectionVolume | Book I ⓘ |
| composer | Johann Sebastian Bach ⓘ |
| countryOfOrigin | Electorate of Saxony NERFINISHED ⓘ |
| cyclePosition | 8 ⓘ |
| followedBy | BWV 859 NERFINISHED ⓘ |
| genre | Baroque keyboard music ⓘ |
| hasPart |
Fugue in E-flat minor, BWV 858/2
NERFINISHED
ⓘ
Prelude in E-flat minor, BWV 858/1 NERFINISHED ⓘ |
| instrumentation | solo keyboard ⓘ |
| intendedInstrument | harpsichord ⓘ |
| isInKeyCycle | complete set of 24 major and minor keys ⓘ |
| key | E-flat minor ⓘ |
| languageOfTitle | Latin ⓘ |
| movement |
Fugue in E-flat minor, BWV 858/2
NERFINISHED
ⓘ
Prelude in E-flat minor, BWV 858/1 NERFINISHED ⓘ |
| notableFeature | part of Bach’s exploration of all major and minor keys in The Well-Tempered Clavier ⓘ |
| opusNumber | none ⓘ |
| partOf | The Well-Tempered Clavier, Book I NERFINISHED ⓘ |
| period | early 18th century ⓘ |
| precededBy | BWV 857 NERFINISHED ⓘ |
| primaryManuscriptSource | autograph manuscript of The Well-Tempered Clavier, Book I GENERATED ⓘ |
| tonalityType | minor ⓘ |
| typicalPerformanceMedium |
harpsichord
ⓘ
piano ⓘ |
| usesTuningConcept | well temperament ⓘ |
| workSeries | Bach-Werke-Verzeichnis 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: BWV 858 Description of subject: BWV 858 is one of Johann Sebastian Bach’s preludes and fugues from The Well-Tempered Clavier, a landmark collection exploring all major and minor keys.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.