Piano Sonata No. 20 in G major, Op. 49 No. 2
E949568
Piano Sonata No. 20 in G major, Op. 49 No. 2 is a relatively short, early-period piano sonata by Ludwig van Beethoven, known for its lyrical charm and accessibility.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Piano Sonata No. 20 in G major, Op. 49 No. 2 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11753115 — 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: Piano Sonata No. 20 in G major, Op. 49 No. 2 Context triple: [Beethoven piano sonatas, hasPart, Piano Sonata No. 20 in G major, Op. 49 No. 2]
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A.
Piano Sonata No. 19 in G minor, Op. 49 No. 1
Piano Sonata No. 19 in G minor, Op. 49 No. 1 is a relatively short and lyrical early piano sonata by Ludwig van Beethoven, known for its classical clarity and modest technical demands.
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B.
Piano Sonata No. 2 in A-flat major, Op. 39
Piano Sonata No. 2 in A-flat major, Op. 39 is a virtuosic early Romantic piano work by Carl Maria von Weber, noted for its brilliant keyboard writing and expressive contrasts.
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C.
Piano Concerto No. 20 in D minor
Piano Concerto No. 20 in D minor is one of Mozart’s most dramatic and frequently performed piano concertos, renowned for its dark, stormy character and expressive depth.
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D.
Piano Sonata No. 10 in G major, Op. 14 No. 2
Piano Sonata No. 10 in G major, Op. 14 No. 2 is a three-movement solo piano work by Ludwig van Beethoven, composed around 1798–1799 and noted for its graceful, lyrical character and classical clarity.
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E.
Piano Sonata No. 2 in B-flat minor, Op. 36
Piano Sonata No. 2 in B-flat minor, Op. 36 is a large-scale, virtuosic and emotionally intense piano work by Sergei Rachmaninoff, noted for its sweeping Romantic lyricism and technical demands.
- 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: Piano Sonata No. 20 in G major, Op. 49 No. 2 Target entity description: Piano Sonata No. 20 in G major, Op. 49 No. 2 is a relatively short, early-period piano sonata by Ludwig van Beethoven, known for its lyrical charm and accessibility.
-
A.
Piano Sonata No. 19 in G minor, Op. 49 No. 1
Piano Sonata No. 19 in G minor, Op. 49 No. 1 is a relatively short and lyrical early piano sonata by Ludwig van Beethoven, known for its classical clarity and modest technical demands.
-
B.
Piano Sonata No. 2 in A-flat major, Op. 39
Piano Sonata No. 2 in A-flat major, Op. 39 is a virtuosic early Romantic piano work by Carl Maria von Weber, noted for its brilliant keyboard writing and expressive contrasts.
-
C.
Piano Concerto No. 20 in D minor
Piano Concerto No. 20 in D minor is one of Mozart’s most dramatic and frequently performed piano concertos, renowned for its dark, stormy character and expressive depth.
-
D.
Piano Sonata No. 10 in G major, Op. 14 No. 2
Piano Sonata No. 10 in G major, Op. 14 No. 2 is a three-movement solo piano work by Ludwig van Beethoven, composed around 1798–1799 and noted for its graceful, lyrical character and classical clarity.
-
E.
Piano Sonata No. 2 in B-flat minor, Op. 36
Piano Sonata No. 2 in B-flat minor, Op. 36 is a large-scale, virtuosic and emotionally intense piano work by Sergei Rachmaninoff, noted for its sweeping Romantic lyricism and technical demands.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
musical composition
ⓘ
piano sonata ⓘ |
| alternativeTitle |
Easy Sonata in G major
ⓘ
Leichte Sonate in G-Dur NERFINISHED ⓘ |
| approximateDuration | 8–10 minutes ⓘ |
| belongsToCycle | Beethoven piano sonatas NERFINISHED ⓘ |
| catalogNumber | Op. 49 No. 2 ⓘ |
| composer | Ludwig van Beethoven ⓘ |
| composerNationality | German ⓘ |
| composerStylePeriod | early Beethoven ⓘ |
| compositionDecade | 1790s ⓘ |
| compositionPeriodRelativeToComposer | early period ⓘ |
| countryOfOrigin | Austria ⓘ |
| dedication | Countess Franziska von Brunsvik NERFINISHED ⓘ |
| difficultyLevel | intermediate ⓘ |
| firstMovementKey | G major ⓘ |
| firstMovementTempoMarking | Allegro ma non troppo ⓘ |
| followsInOpus | Piano Sonata No. 19 in G minor, Op. 49 No. 1 NERFINISHED ⓘ |
| hasGenre |
menuet-style second movement
ⓘ
sonata-allegro first movement ⓘ |
| hasTypeOfWorkNumbering | Hess 47 (early cataloguing) NERFINISHED ⓘ |
| instrumentation | solo piano ⓘ |
| ISWC | T-801.232.972-3 ⓘ |
| key | G major ⓘ |
| language | instrumental ⓘ |
| movementCount | 2 ⓘ |
| notableFor |
being one of Beethoven’s easier sonatas
ⓘ
lyrical charm ⓘ |
| opusNumber | 49 ⓘ |
| period | Classical period ⓘ |
| placeOfPublication | Leipzig NERFINISHED ⓘ |
| publicationYear | 1805 ⓘ |
| publishedAs | Op. 49 No. 2 ⓘ |
| publisher | Breitkopf & Härtel NERFINISHED ⓘ |
| secondMovementKey | G major ⓘ |
| secondMovementTempoMarking | Tempo di Menuetto ⓘ |
| sonataNumber | 20 ⓘ |
| tonalCenter | G major ⓘ |
| usesForm |
minuet and trio form (second movement)
ⓘ
sonata form (first movement) ⓘ |
| WikidataID | Q1897410 ⓘ |
| workCharacteristic |
accessible
ⓘ
didactic ⓘ lyrical ⓘ relatively short ⓘ |
| workNumberWithinOpus | 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: Piano Sonata No. 20 in G major, Op. 49 No. 2 Description of subject: Piano Sonata No. 20 in G major, Op. 49 No. 2 is a relatively short, early-period piano sonata by Ludwig van Beethoven, known for its lyrical charm and accessibility.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.