String Sextet No. 1 in B-flat major, Op. 18
E274975
String Sextet No. 1 in B-flat major, Op. 18 is a richly textured chamber work for two violins, two violas, and two cellos, composed by Johannes Brahms in the 1860s and admired for its lyrical warmth and structural mastery.
All labels observed (4)
| Label | Occurrences |
|---|---|
| String Sextet No. 1 in B-flat major, Op. 18 canonical | 2 |
| Brahms string sextets | 1 |
| Streichsextett Nr. 1 B-Dur, op. 18 | 1 |
| first string sextet by Johannes Brahms | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2531305 — 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: String Sextet No. 1 in B-flat major, Op. 18 Context triple: [Johannes Brahms, notableWork, String Sextet No. 1 in B-flat major, Op. 18]
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A.
String Quartet in G minor, Op. 10
String Quartet in G minor, Op. 10 is Claude Debussy’s only string quartet and a landmark work of French impressionist chamber music.
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B.
String Quartet in F major
String Quartet in F major is a celebrated chamber work by Maurice Ravel, admired for its luminous textures, refined harmonies, and innovative yet classical approach to the string quartet form.
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C.
String Quartet No. 13 in B-flat major, Op. 130
String Quartet No. 13 in B-flat major, Op. 130 is one of Beethoven’s late string quartets, renowned for its innovative structure, emotional depth, and originally including the monumental "Grosse Fuge" as its final movement.
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D.
Serenade for Strings in C major, Op. 48
Serenade for Strings in C major, Op. 48 is a lyrical and warmly expressive string orchestra work composed by Pyotr Ilyich Tchaikovsky in 1880, celebrated for its graceful melodies and classical elegance.
-
E.
String Octet in E-flat major, Op. 20
String Octet in E-flat major, Op. 20 is an early chamber music masterpiece by Felix Mendelssohn, celebrated for its youthful brilliance, innovative scoring for eight string players, and enduring place in the core classical repertoire.
- 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: String Sextet No. 1 in B-flat major, Op. 18 Target entity description: String Sextet No. 1 in B-flat major, Op. 18 is a richly textured chamber work for two violins, two violas, and two cellos, composed by Johannes Brahms in the 1860s and admired for its lyrical warmth and structural mastery.
-
A.
String Quartet in G minor, Op. 10
String Quartet in G minor, Op. 10 is Claude Debussy’s only string quartet and a landmark work of French impressionist chamber music.
-
B.
String Quartet in F major
String Quartet in F major is a celebrated chamber work by Maurice Ravel, admired for its luminous textures, refined harmonies, and innovative yet classical approach to the string quartet form.
-
C.
String Quartet No. 13 in B-flat major, Op. 130
String Quartet No. 13 in B-flat major, Op. 130 is one of Beethoven’s late string quartets, renowned for its innovative structure, emotional depth, and originally including the monumental "Grosse Fuge" as its final movement.
-
D.
Serenade for Strings in C major, Op. 48
Serenade for Strings in C major, Op. 48 is a lyrical and warmly expressive string orchestra work composed by Pyotr Ilyich Tchaikovsky in 1880, celebrated for its graceful melodies and classical elegance.
-
E.
String Octet in E-flat major, Op. 20
String Octet in E-flat major, Op. 20 is an early chamber music masterpiece by Felix Mendelssohn, celebrated for its youthful brilliance, innovative scoring for eight string players, and enduring place in the core classical repertoire.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
chamber music composition
ⓘ
classical music composition ⓘ string sextet ⓘ |
| associatedComposer | Johannes Brahms ⓘ |
| catalogueNumber | Op. 18 ⓘ |
| composer | Johannes Brahms ⓘ |
| compositionEndDate | 1861 ⓘ |
| compositionStartDate | 1860 ⓘ |
| countryOfOrigin | Germany ⓘ |
| dedication | Joseph Joachim ⓘ |
| ensembleType | string sextet ⓘ |
| era | 19th century ⓘ |
| formOfFinalMovement | rondo form ⓘ |
| formOfFirstMovement | sonata form ⓘ |
| genre | Romantic chamber music ⓘ |
| hasInstrumentation | two violins, two violas, and two cellos ⓘ |
| influencedBy | Classical tradition of Haydn, Mozart, and Beethoven ⓘ |
| key | B-flat major ⓘ |
| languageOfTitle | German ⓘ |
| movement |
Allegro ma non troppo
ⓘ
Andante ma moderato ⓘ Rondo: Poco allegretto e grazioso ⓘ Scherzo: Allegro molto ⓘ |
| notableFeature |
lyrical warmth
ⓘ
richly textured writing for strings ⓘ structural mastery ⓘ |
| numberOfMovements | 4 ⓘ |
| opusNumber | Op. 18 ⓘ |
| originalTitle |
String Sextet No. 1 in B-flat major, Op. 18
self-linksurface differs
ⓘ
surface form:
Streichsextett Nr. 1 B-Dur, op. 18
|
| period | Romantic ⓘ |
| positionInOeuvre |
String Sextet No. 1 in B-flat major, Op. 18
self-linksurface differs
ⓘ
surface form:
first string sextet by Johannes Brahms
|
| premiereDate | 1860s ⓘ |
| publicationDate | 1862 ⓘ |
| publisher |
N. Simrock
ⓘ
surface form:
Fritz Simrock
|
| reception | highly regarded in the chamber music repertoire ⓘ |
| relatedWork | String Sextet No. 2 in G major, Op. 36 ⓘ |
| scoredFor |
two cellos
ⓘ
two violas ⓘ two violins ⓘ |
| structure | four-movement classical form ⓘ |
| style |
Brahmsian lyricism
ⓘ
dense contrapuntal writing ⓘ |
| typicalPerformanceDuration | approximately 35 minutes ⓘ |
| typicalVenue | chamber music concert ⓘ |
| workNumberInComposerOutput | early chamber work ⓘ |
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: String Sextet No. 1 in B-flat major, Op. 18 Description of subject: String Sextet No. 1 in B-flat major, Op. 18 is a richly textured chamber work for two violins, two violas, and two cellos, composed by Johannes Brahms in the 1860s and admired for its lyrical warmth and structural mastery.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
String Sextet No. 1 in B-flat major, Op. 18
→
originalTitle
→
String Sextet No. 1 in B-flat major, Op. 18
self-linksurface differs
ⓘ
this entity surface form:
Streichsextett Nr. 1 B-Dur, op. 18
String Sextet No. 1 in B-flat major, Op. 18
→
positionInOeuvre
→
String Sextet No. 1 in B-flat major, Op. 18
self-linksurface differs
ⓘ
this entity surface form:
first string sextet by Johannes Brahms
String Sextet No. 2 in G major, Op. 36
→
relatedWork
→
String Sextet No. 1 in B-flat major, Op. 18
ⓘ
String Sextet No. 2 in G major, Op. 36
→
hasCatalogueGrouping
→
String Sextet No. 1 in B-flat major, Op. 18
ⓘ
this entity surface form:
Brahms string sextets