BWV 866
E1044112
BWV 866 is a prelude and fugue in E minor for keyboard by Johann Sebastian Bach, part of his first book of The Well-Tempered Clavier.
All labels observed (1)
| Label | Occurrences |
|---|---|
| BWV 866 canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T12529037 — 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 866 Context triple: [BWV 846–893, containsWork, BWV 866]
-
A.
BWV 862
BWV 862 is one of Johann Sebastian Bach’s preludes and fugues from The Well-Tempered Clavier.
-
B.
BWV 860
BWV 860 is one of Johann Sebastian Bach’s Well-Tempered Clavier preludes and fugues, a keyboard work showcasing his contrapuntal mastery and exploration of all major and minor keys.
-
C.
BWV 865
BWV 865 is a prelude and fugue in A minor for keyboard by Johann Sebastian Bach, included in the first book of The Well-Tempered Clavier.
-
D.
BWV 864
BWV 864 is one of Johann Sebastian Bach’s preludes and fugues from The Well-Tempered Clavier.
-
E.
BWV 861
BWV 861 is a prelude and fugue in F minor by Johann Sebastian Bach, part of his 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 866 Target entity description: BWV 866 is a prelude and fugue in E minor for keyboard by Johann Sebastian Bach, part of his first book of The Well-Tempered Clavier.
-
A.
BWV 862
BWV 862 is one of Johann Sebastian Bach’s preludes and fugues from The Well-Tempered Clavier.
-
B.
BWV 860
BWV 860 is one of Johann Sebastian Bach’s Well-Tempered Clavier preludes and fugues, a keyboard work showcasing his contrapuntal mastery and exploration of all major and minor keys.
-
C.
BWV 865
BWV 865 is a prelude and fugue in A minor for keyboard by Johann Sebastian Bach, included in the first book of The Well-Tempered Clavier.
-
D.
BWV 864
BWV 864 is one of Johann Sebastian Bach’s preludes and fugues from The Well-Tempered Clavier.
-
E.
BWV 861
BWV 861 is a prelude and fugue in F minor by Johann Sebastian Bach, part of his first book of The Well-Tempered Clavier.
- F. None of above. chosen
Statements (38)
| Predicate | Object |
|---|---|
| instanceOf |
keyboard work
ⓘ
musical composition ⓘ prelude and fugue ⓘ |
| catalogNumber | BWV 866 ⓘ |
| collection | The Well-Tempered Clavier ⓘ |
| collectionVolume | Book I ⓘ |
| composer | Johann Sebastian Bach ⓘ |
| countryOfOrigin | Electorate of Saxony ⓘ |
| cyclePosition | 10 ⓘ |
| followedBy | BWV 867 ⓘ |
| fugueVoices | 3 voices (typical attribution) ⓘ |
| genre | Baroque music ⓘ |
| hasCatalogue |
Bach-Werke-Verzeichnis
ⓘ
linked to:
BWV (Bach-Werke-Verzeichnis)
|
| hasForm |
fugue
ⓘ
prelude ⓘ |
| hasInfluenced |
keyboard repertoire
ⓘ
tonal harmony pedagogy ⓘ |
| hasPart |
Fugue in E minor, BWV 866/2
ⓘ
Prelude in E minor, BWV 866/1 ⓘ |
| intendedInstrument |
clavichord
ⓘ
harpsichord ⓘ keyboard ⓘ |
| isPartOfSeries |
24 preludes and fugues in all major and minor keys, Book I
ⓘ
linked to:
The Well-Tempered Clavier
|
| key | E minor ⓘ |
| keyRelationInCycle | E minor pair in chromatic sequence of keys ⓘ |
| language | none (instrumental) ⓘ |
| manuscriptSource | autograph and early copies of The Well-Tempered Clavier, Book I ⓘ |
| movement |
Fugue in E minor, BWV 866/2
ⓘ
Prelude in E minor, BWV 866/1 ⓘ |
| opusNumber | none ⓘ |
| partOf |
The Well-Tempered Clavier, Book I
ⓘ
linked to:
The Well-Tempered Clavier
|
| period |
Baroque period
ⓘ
linked to:
Baroque
|
| placeOfComposition |
Köthen (probable)
ⓘ
linked to:
Köthen
|
| precededBy | BWV 865 ⓘ |
| publicationStatus | published posthumously ⓘ |
| tonalSystem | well-tempered tuning ⓘ |
| typicalPerformanceDuration | approximately 4–6 minutes (both movements) ⓘ |
| workNumberInCollection | 10th prelude and fugue of Book I ⓘ |
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 866 Description of subject: BWV 866 is a prelude and fugue in E minor for keyboard by Johann Sebastian Bach, part of his first book of The Well-Tempered Clavier.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.