Fugue in B minor, BWV 869
E328737
Fugue in B minor, BWV 869 is a complex and expressive keyboard fugue by Johann Sebastian Bach, notable as the concluding piece of the first book of The Well-Tempered Clavier.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Fugue in B minor, BWV 869 canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T2797708 — 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: Fugue in B minor, BWV 869 Context triple: [The Well-Tempered Clavier, contains, Fugue in B minor, BWV 869]
-
A.
Fugue in G minor, BWV 861
Fugue in G minor, BWV 861 is a keyboard fugue by Johann Sebastian Bach, notable for its intricate counterpoint and inclusion in the first book of The Well-Tempered Clavier.
-
B.
Fugue in B-flat major, BWV 866
Fugue in B-flat major, BWV 866 is a keyboard fugue by Johann Sebastian Bach, part of his influential collection The Well-Tempered Clavier Book I.
-
C.
Fugue in A minor, BWV 865
Fugue in A minor, BWV 865 is a keyboard fugue by Johann Sebastian Bach, notable for its intricate counterpoint and expressive intensity within the first book of The Well-Tempered Clavier.
-
D.
Fugue in C minor, BWV 847
Fugue in C minor, BWV 847 is a highly recognizable keyboard fugue by Johann Sebastian Bach, noted for its driving rhythmic intensity and intricate contrapuntal writing.
-
E.
Fugue in F minor, BWV 857
Fugue in F minor, BWV 857 is a contrapuntal keyboard work by Johann Sebastian Bach, known for its expressive intensity and intricate voice leading.
- 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: Fugue in B minor, BWV 869 Target entity description: Fugue in B minor, BWV 869 is a complex and expressive keyboard fugue by Johann Sebastian Bach, notable as the concluding piece of the first book of The Well-Tempered Clavier.
-
A.
Fugue in G minor, BWV 861
Fugue in G minor, BWV 861 is a keyboard fugue by Johann Sebastian Bach, notable for its intricate counterpoint and inclusion in the first book of The Well-Tempered Clavier.
-
B.
Fugue in B-flat major, BWV 866
Fugue in B-flat major, BWV 866 is a keyboard fugue by Johann Sebastian Bach, part of his influential collection The Well-Tempered Clavier Book I.
-
C.
Fugue in A minor, BWV 865
Fugue in A minor, BWV 865 is a keyboard fugue by Johann Sebastian Bach, notable for its intricate counterpoint and expressive intensity within the first book of The Well-Tempered Clavier.
-
D.
Fugue in C minor, BWV 847
Fugue in C minor, BWV 847 is a highly recognizable keyboard fugue by Johann Sebastian Bach, noted for its driving rhythmic intensity and intricate contrapuntal writing.
-
E.
Fugue in F minor, BWV 857
Fugue in F minor, BWV 857 is a contrapuntal keyboard work by Johann Sebastian Bach, known for its expressive intensity and intricate voice leading.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Baroque composition
ⓘ
keyboard fugue ⓘ piece of music ⓘ |
| approximateCompositionPeriod |
circa 1720s
ⓘ
early 18th century ⓘ |
| associatedWork |
The Well-Tempered Clavier
ⓘ
surface form:
The Well-Tempered Clavier, BWV 846–869
|
| belongsToCycle |
The Well-Tempered Clavier
ⓘ
surface form:
24 preludes and fugues in all major and minor keys, Book I
|
| catalogNumber | BWV 869 ⓘ |
| collectionNumber | 24 ⓘ |
| composer | Johann Sebastian Bach ⓘ |
| counterpointTechnique |
augmentation
ⓘ
diminution ⓘ invertible counterpoint ⓘ sequential episodes ⓘ stretto ⓘ |
| firstPublication | 1801 ⓘ |
| genre | fugue ⓘ |
| hasForm | fugue ⓘ |
| hasKeySignature | two sharps ⓘ |
| hasMode | minor ⓘ |
| hasSection |
episodes
ⓘ
exposition ⓘ final climax ⓘ stretto passages ⓘ |
| hasTonalCenter | B ⓘ |
| intendedInstrument |
harpsichord
ⓘ
keyboard ⓘ |
| key | B minor ⓘ |
| language | instrumental ⓘ |
| movementNumber | 24 ⓘ |
| notableFeature |
complex contrapuntal writing
ⓘ
dense chromaticism ⓘ expressive character ⓘ extended length compared to other fugues in Book I ⓘ |
| numberOfVoices | 4 ⓘ |
| opusNumber | none ⓘ |
| pairedWith | Prelude in B minor, BWV 869 ⓘ |
| partOf |
The Well-Tempered Clavier
ⓘ
surface form:
The Well-Tempered Clavier, Book I
|
| period | Baroque ⓘ |
| placeOfComposition |
Köthen
ⓘ
surface form:
Köthen or Leipzig (uncertain)
|
| positionInWork | final piece of The Well-Tempered Clavier, Book I ⓘ |
| subjectType | long, expressive fugue subject ⓘ |
| tonalSystem | well-tempered tuning ⓘ |
| typicalPerformanceDuration | approximately 7–9 minutes ⓘ |
| usesTexture |
contrapuntal
ⓘ
polyphonic ⓘ |
| workNumberInCollection |
BWV 869
ⓘ
surface form:
BWV 869/2
|
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: Fugue in B minor, BWV 869 Description of subject: Fugue in B minor, BWV 869 is a complex and expressive keyboard fugue by Johann Sebastian Bach, notable as the concluding piece of the first book of The Well-Tempered Clavier.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.