Prelude in A-flat major, BWV 862
E322728
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Prelude in A-flat major, BWV 862 canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T2797701 — 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 A-flat major, BWV 862 Context triple: [The Well-Tempered Clavier, contains, Prelude in A-flat major, BWV 862]
-
A.
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.
-
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 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.
-
D.
Prelude in G minor, BWV 861
Prelude in G minor, BWV 861 is a keyboard prelude by Johann Sebastian Bach, notable for its expressive minor-key character and contrapuntal writing.
-
E.
Prelude in F major, BWV 856
Prelude in F major, BWV 856 is a keyboard prelude by Johann Sebastian Bach, known as one of the short, didactic pieces from the first book of his 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: Prelude in A-flat major, BWV 862 Target entity description: 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.
-
A.
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.
-
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 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.
-
D.
Prelude in G minor, BWV 861
Prelude in G minor, BWV 861 is a keyboard prelude by Johann Sebastian Bach, notable for its expressive minor-key character and contrapuntal writing.
-
E.
Prelude in F major, BWV 856
Prelude in F major, BWV 856 is a keyboard prelude by Johann Sebastian Bach, known as one of the short, didactic pieces from the first book of his Well-Tempered Clavier.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
keyboard prelude
ⓘ
musical composition ⓘ |
| associatedWith |
Köthen
ⓘ
Leipzig ⓘ |
| BWVWorkGroup |
BWV 846–893
ⓘ
surface form:
BWV 846–869
|
| catalogNumber | BWV 862 ⓘ |
| composer | Johann Sebastian Bach ⓘ |
| compositionForm | prelude ⓘ |
| countryOfOrigin | Electorate of Saxony ⓘ |
| cycle | The Well-Tempered Clavier ⓘ |
| cycleNumber | I ⓘ |
| dedicatedTo | none (no explicit dedication) ⓘ |
| educationalUse | keyboard pedagogy ⓘ |
| firstPublication | 1801 (posthumous publication of The Well-Tempered Clavier) ⓘ |
| genre | Baroque keyboard music ⓘ |
| hasCatalogue |
BWV (Bach-Werke-Verzeichnis)
ⓘ
surface form:
Bach-Werke-Verzeichnis
|
| hasCounterpart | Prelude in G-sharp minor, BWV 887 (Book II, enharmonic key) ⓘ |
| hasKeySignature | four flats ⓘ |
| hasManuscriptSource | autograph of The Well-Tempered Clavier, Book I ⓘ |
| hasMode | Ionian (major) ⓘ |
| hasMovement | none (single-movement prelude) ⓘ |
| hasStyle | contrapuntally informed harmony ⓘ |
| hasTimePeriod | early 18th century ⓘ |
| includedIn | complete recordings of The Well-Tempered Clavier ⓘ |
| influenced | later keyboard literature ⓘ |
| intendedInstrument | harpsichord ⓘ |
| isPartOfKeySequence | 24 preludes and fugues in all major and minor keys ⓘ |
| key | A-flat major ⓘ |
| languageOfWork | none (instrumental) ⓘ |
| notableFor |
expressive writing
ⓘ
harmonically rich progressions ⓘ inclusion in The Well-Tempered Clavier, Book I ⓘ |
| opusNumber | none ⓘ |
| originalCompositionDate | circa 1722 ⓘ |
| pairedWith | Fugue in A-flat major, BWV 862 ⓘ |
| pairedWorkNumberInWTCBookI |
Fugue in A-flat major, BWV 862
ⓘ
surface form:
Fugue No. 17
|
| partOf |
The Well-Tempered Clavier
ⓘ
surface form:
The Well-Tempered Clavier, Book I
|
| performancePractice | often performed on modern piano ⓘ |
| period | Baroque ⓘ |
| positionInSeries | 17 ⓘ |
| structure | continuous prelude ⓘ |
| tonality | major ⓘ |
| tuningContext | well-tempered tuning ⓘ |
| typicalDuration | approximately 2–3 minutes ⓘ |
| usesTexture | predominantly homophonic with figurations ⓘ |
| workNumberInWTCBookI | Prelude No. 17 ⓘ |
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 A-flat major, BWV 862 Description of subject: 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.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.