Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight"
E57004
Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight" is one of Ludwig van Beethoven’s most famous and frequently performed piano works, renowned for its hauntingly lyrical first movement and innovative, emotionally charged structure.
All labels observed (6)
How this entity was disambiguated
This entity first appeared as the object of triple T454889 — 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. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight" Context triple: [Ludwig van Beethoven, notableWork, Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight"]
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A.
Moonlight Sonata
Moonlight Sonata is the codename given by Nazi Germany to the devastating Luftwaffe air raid on the English city of Coventry during World War II.
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B.
Symphony in C
Symphony in C is a landmark neoclassical ballet choreographed by George Balanchine to Georges Bizet’s Symphony in C, renowned for its pure dance style and large ensemble structure.
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C.
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.
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D.
Symphony No. 2 "The Age of Anxiety"
Symphony No. 2 "The Age of Anxiety" is Leonard Bernstein’s symphonic work for piano and orchestra inspired by W. H. Auden’s poem of the same name, exploring themes of postwar spiritual crisis and modern alienation.
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E.
Symphony No. 3 in D major, Op. 29
Symphony No. 3 in D major, Op. 29 is a symphonic work by Russian composer Pyotr Ilyich Tchaikovsky, notable as his only symphony written in a major key and often nicknamed the "Polish" Symphony.
- 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. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight" Target entity description: Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight" is one of Ludwig van Beethoven’s most famous and frequently performed piano works, renowned for its hauntingly lyrical first movement and innovative, emotionally charged structure.
-
A.
Moonlight Sonata
Moonlight Sonata is the codename given by Nazi Germany to the devastating Luftwaffe air raid on the English city of Coventry during World War II.
-
B.
Symphony in C
Symphony in C is a landmark neoclassical ballet choreographed by George Balanchine to Georges Bizet’s Symphony in C, renowned for its pure dance style and large ensemble structure.
-
C.
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.
-
D.
Symphony No. 2 "The Age of Anxiety"
Symphony No. 2 "The Age of Anxiety" is Leonard Bernstein’s symphonic work for piano and orchestra inspired by W. H. Auden’s poem of the same name, exploring themes of postwar spiritual crisis and modern alienation.
-
E.
Symphony No. 3 in D major, Op. 29
Symphony No. 3 in D major, Op. 29 is a symphonic work by Russian composer Pyotr Ilyich Tchaikovsky, notable as his only symphony written in a major key and often nicknamed the "Polish" Symphony.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
musical composition
ⓘ
piano sonata ⓘ |
| alternativeName |
Moonlight Sonata
ⓘ
Sonata quasi una fantasia No. 2 ⓘ
linked to:
Sonata
|
| approximateCompositionEndYear | 1801 ⓘ |
| approximateCompositionStartYear | 1801 ⓘ |
| approximateDuration | 15 minutes ⓘ |
| catalogNumber | Opus 27 No. 2 ⓘ |
| composer | Ludwig van Beethoven ⓘ |
| compositionPeriod | Classical period ⓘ |
| countryOfFirstPublication | Austria ⓘ |
| dedicatedTo | Countess Giulietta Guicciardi ⓘ |
| dedicationType | dedicated to a patron and pupil ⓘ |
| famousFor |
being one of Beethoven’s most popular and frequently performed piano works
ⓘ
its emotionally charged and innovative formal design ⓘ |
| firstMovementKey | C-sharp minor ⓘ |
| firstMovementTempoMarking | Adagio sostenuto ⓘ |
| firstMovementTitle | Adagio sostenuto ⓘ |
| firstPublicationYear | 1802 ⓘ |
| genre | classical music ⓘ |
| hasCanonicalForm | sonata form elements with fantasia-like continuity ⓘ |
| instrumentation | solo piano ⓘ |
| key | C-sharp minor ⓘ |
| language | instrumental ⓘ |
| movementCount | 3 ⓘ |
| nicknameOrigin | Inspired by a comparison to moonlight on Lake Lucerne by poet and critic Ludwig Rellstab ⓘ |
| notableFeature |
features a slow first movement followed by faster later movements, reversing typical Classical sonata order
ⓘ
first movement is renowned for its hauntingly lyrical character ⓘ third movement is technically demanding and virtuosic ⓘ |
| numberInSeries | 14 ⓘ |
| opusNumber | Op. 27 No. 2 ⓘ |
| originalDesignation | Sonata quasi una fantasia ⓘ |
| placeOfComposition | Vienna ⓘ |
| popularNickname |
Moonlight
ⓘ
Moonlight Sonata ⓘ |
| publisher | Cappi & Diabelli ⓘ |
| secondMovementKey | D-flat major ⓘ |
| secondMovementTempoMarking | Allegretto ⓘ |
| secondMovementTitle | Allegretto ⓘ |
| set | Op. 27 ⓘ |
| setContains | Piano Sonata No. 13 in E-flat major, Op. 27 No. 1 ⓘ |
| structure | three-movement sonata quasi una fantasia ⓘ |
| style | late Classical with early Romantic elements ⓘ |
| thirdMovementKey | C-sharp minor ⓘ |
| thirdMovementTempoMarking | Presto agitato ⓘ |
| thirdMovementTitle | Presto agitato ⓘ |
| title | Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 ⓘ |
| workByComposerNumbering | Beethoven piano sonata No. 14 ⓘ |
| workOf | Ludwig van Beethoven ⓘ |
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. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight" Description of subject: Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight" is one of Ludwig van Beethoven’s most famous and frequently performed piano works, renowned for its hauntingly lyrical first movement and innovative, emotionally charged structure.
Referenced by (16)
Full triples — surface form annotated when it differs from this entity's canonical label.
Ludwig van Beethoven
→
notableWork
→
Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight"
ⓘ
Ludwig van Beethoven
→
signatureWork
→
Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight"
ⓘ
linked to: Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight"
Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight"
→
title
→
Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2
ⓘ
linked to: Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight"
Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight"
→
alternativeName
→
Moonlight Sonata
ⓘ
linked to: Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight"
Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight"
→
setContains
→
Piano Sonata No. 13 in E-flat major, Op. 27 No. 1
ⓘ
linked to: Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight"
Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight"
→
popularNickname
→
Moonlight Sonata
ⓘ
linked to: Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight"
Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight"
→
workByComposerNumbering
→
Beethoven piano sonata No. 14
ⓘ
linked to: Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight"
Beethoven piano sonatas
→
hasPart
→
Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight"
ⓘ
Beethoven piano sonatas
→
notableWork
→
Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight"
ⓘ
linked to: Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight"
linked to: Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight"
Countess Giulietta Guicciardi
→
associatedWith
→
Beethoven’s Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2
ⓘ
linked to: Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight"
linked to: Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight"
linked to: Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight"
linked to: Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight"