Symphony, Op. 21
E602052
Symphony, Op. 21 is a concise, two-movement twelve-tone orchestral work by Anton Webern that exemplifies his highly structured, pointillistic style and is considered a landmark of the Second Viennese School.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Symphony, Op. 21 canonical | 2 |
| Symphony Op. 21 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6523260 — 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: Symphony, Op. 21 Context triple: [Anton Webern, notableWork, Symphony, Op. 21]
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A.
Symphony No. 2 in D major, Op. 73
Symphony No. 2 in D major, Op. 73 is a warmly lyrical and pastoral orchestral work by Johannes Brahms, often regarded as one of his most accessible and beloved symphonies.
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B.
Symphony No. 2 in C major, Op. 61
Symphony No. 2 in C major, Op. 61 is a large-scale Romantic symphony by Robert Schumann, admired for its contrapuntal writing, emotional depth, and triumphant finale.
-
C.
Symphony No. 2 in B-flat major
Symphony No. 2 in B-flat major is Felix Mendelssohn’s large-scale choral symphony-cantata, commonly known as "Lobgesang" ("Hymn of Praise"), blending orchestral movements with vocal and choral sections.
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D.
Symphony No. 2 in D major, Op. 36
Symphony No. 2 in D major, Op. 36 is an early symphony by Ludwig van Beethoven that showcases his emerging individual style within the Classical tradition.
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E.
Symphony No. 2 in E minor, Op. 27
Symphony No. 2 in E minor, Op. 27 is a large-scale late-Romantic symphony by Sergei Rachmaninoff, renowned for its lush orchestration, expansive melodies, and emotional intensity.
- 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: Symphony, Op. 21 Target entity description: Symphony, Op. 21 is a concise, two-movement twelve-tone orchestral work by Anton Webern that exemplifies his highly structured, pointillistic style and is considered a landmark of the Second Viennese School.
-
A.
Symphony No. 2 in D major, Op. 73
Symphony No. 2 in D major, Op. 73 is a warmly lyrical and pastoral orchestral work by Johannes Brahms, often regarded as one of his most accessible and beloved symphonies.
-
B.
Symphony No. 2 in C major, Op. 61
Symphony No. 2 in C major, Op. 61 is a large-scale Romantic symphony by Robert Schumann, admired for its contrapuntal writing, emotional depth, and triumphant finale.
-
C.
Symphony No. 2 in B-flat major
Symphony No. 2 in B-flat major is Felix Mendelssohn’s large-scale choral symphony-cantata, commonly known as "Lobgesang" ("Hymn of Praise"), blending orchestral movements with vocal and choral sections.
-
D.
Symphony No. 2 in D major, Op. 36
Symphony No. 2 in D major, Op. 36 is an early symphony by Ludwig van Beethoven that showcases his emerging individual style within the Classical tradition.
-
E.
Symphony No. 2 in E minor, Op. 27
Symphony No. 2 in E minor, Op. 27 is a large-scale late-Romantic symphony by Sergei Rachmaninoff, renowned for its lush orchestration, expansive melodies, and emotional intensity.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
orchestral work
ⓘ
twelve-tone composition ⓘ |
| approximateDuration | about 10 minutes ⓘ |
| associatedWith | Second Viennese School ⓘ |
| belongsToCatalogue | Webern Opus catalogue ⓘ |
| completionYear | 1928 ⓘ |
| composer | Anton Webern ⓘ |
| composerOf | Anton Webern ⓘ |
| compositionYear | 1927 ⓘ |
| countryOfOrigin | Austria ⓘ |
| era | modernism in music ⓘ |
| formalDesign |
first movement in sonata form
ⓘ
second movement as theme and variations ⓘ |
| genre | symphonic music ⓘ |
| historicalSignificance |
important early example of orchestral twelve-tone writing
ⓘ
landmark of the Second Viennese School ⓘ |
| influenced | post-war serial composers ⓘ |
| influencedBy | Arnold Schoenberg ⓘ |
| languageOfMovementTitles | German ⓘ |
| movement |
Ruhig schreitend
ⓘ
Variationen ⓘ |
| movementCount | two ⓘ |
| nationalTradition | Austrian ⓘ |
| notableFor |
extreme concision
ⓘ
highly structured serial organization ⓘ innovative orchestration ⓘ |
| numberOfMovements | 2 ⓘ |
| opusNumber | Op. 21 ⓘ |
| period | 20th-century classical music ⓘ |
| premiereYear | 1929 ⓘ |
| school | Second Viennese School ⓘ |
| scoring | orchestra ⓘ |
| structure | two-movement symphony ⓘ |
| style |
pointillism
ⓘ
serialism ⓘ twelve-tone ⓘ |
| technique |
Klangfarbenmelodie
ⓘ
canon ⓘ double canon ⓘ inversion ⓘ retrograde ⓘ twelve-tone row ⓘ |
| texture |
highly transparent
ⓘ
pointillistic ⓘ |
| title | Symphony, Op. 21 ⓘ |
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: Symphony, Op. 21 Description of subject: Symphony, Op. 21 is a concise, two-movement twelve-tone orchestral work by Anton Webern that exemplifies his highly structured, pointillistic style and is considered a landmark of the Second Viennese School.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Symphony, Op. 21