Prelude in B-flat major, BWV 866
E327400
Prelude in B-flat major, BWV 866 is a keyboard prelude by Johann Sebastian Bach, notable for its inclusion in the first book of his influential collection The Well-Tempered Clavier.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Prelude in B-flat major, BWV 866 canonical | 3 |
| Prelude No. 21 in Book I | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2797705 — 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: Prelude in B-flat major, BWV 866 Context triple: [The Well-Tempered Clavier, contains, Prelude in B-flat major, BWV 866]
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A.
Prelude in A-flat major, BWV 862
Prelude in A-flat major, BWV 862 is a keyboard prelude by Johann Sebastian Bach, notable for its inclusion in the first book of The Well-Tempered Clavier and its expressive, harmonically rich writing.
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B.
Prelude in E-flat major, BWV 852
Prelude in E-flat major, BWV 852 is a keyboard piece by Johann Sebastian Bach, known as one of the preludes from the first book of The Well-Tempered Clavier.
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C.
Prelude in G major, BWV 860
Prelude in G major, BWV 860 is a keyboard prelude by Johann Sebastian Bach, known for its inclusion in the first book of The Well-Tempered Clavier and its clear, flowing contrapuntal texture.
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D.
Prelude in C major, BWV 846
Prelude in C major, BWV 846 is one of Johann Sebastian Bach’s most famous keyboard pieces, renowned for its flowing arpeggios and often used as an introductory work for piano students and performers.
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E.
Prelude in A minor, BWV 865
Prelude in A minor, BWV 865 is a keyboard prelude by Johann Sebastian Bach, notable for its expressive chromaticism and contrapuntal writing.
- 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: Prelude in B-flat major, BWV 866 Target entity description: Prelude in B-flat major, BWV 866 is a keyboard prelude by Johann Sebastian Bach, notable for its inclusion in the first book of his influential collection The Well-Tempered Clavier.
-
A.
Prelude in A-flat major, BWV 862
Prelude in A-flat major, BWV 862 is a keyboard prelude by Johann Sebastian Bach, notable for its inclusion in the first book of The Well-Tempered Clavier and its expressive, harmonically rich writing.
-
B.
Prelude in E-flat major, BWV 852
Prelude in E-flat major, BWV 852 is a keyboard piece by Johann Sebastian Bach, known as one of the preludes from the first book of The Well-Tempered Clavier.
-
C.
Prelude in G major, BWV 860
Prelude in G major, BWV 860 is a keyboard prelude by Johann Sebastian Bach, known for its inclusion in the first book of The Well-Tempered Clavier and its clear, flowing contrapuntal texture.
-
D.
Prelude in C major, BWV 846
Prelude in C major, BWV 846 is one of Johann Sebastian Bach’s most famous keyboard pieces, renowned for its flowing arpeggios and often used as an introductory work for piano students and performers.
-
E.
Prelude in A minor, BWV 865
Prelude in A minor, BWV 865 is a keyboard prelude by Johann Sebastian Bach, notable for its expressive chromaticism and contrapuntal writing.
- F. None of above. chosen
Statements (39)
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: Prelude in B-flat major, BWV 866 Description of subject: Prelude in B-flat major, BWV 866 is a keyboard prelude by Johann Sebastian Bach, notable for its inclusion in the first book of his influential collection The Well-Tempered Clavier.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
Prelude in B-flat major, BWV 866
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hasWorkNumberWithinCollection
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Prelude in B-flat major, BWV 866
self-linksurface differs
ⓘ
this entity surface form:
Prelude No. 21 in Book I