Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight"

E57004

musical composition piano sonata

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.

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All labels observed (6)

Label	Occurrences
Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2	5
Moonlight Sonata	4
Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight" canonical	4
Beethoven piano sonata No. 14	1
Beethoven’s Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2	1
Piano Sonata No. 13 in E-flat major, Op. 27 No. 1	1

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"]

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
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	Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight" ⓘ surface form: Moonlight Sonata Sonata ⓘ surface form: Sonata quasi una fantasia No. 2
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 ⓘ Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight" ⓘ surface form: Moonlight Sonata
publisher	Cappi & Diabelli ⓘ
secondMovementKey	D-flat major ⓘ
secondMovementTempoMarking	Allegretto ⓘ
secondMovementTitle	Allegretto ⓘ
set	Op. 27 ⓘ
setContains	Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight" self-linksurface differs ⓘ surface form: 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 "Moonlight" self-linksurface differs ⓘ surface form: Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2
workByComposerNumbering	Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight" self-linksurface differs ⓘ surface form: Beethoven piano sonata No. 14
workOf	Ludwig van Beethoven ⓘ

How these facts were elicited

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" ⓘ

Operation Mondscheinsonate → codeNameMeaning → Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight" ⓘ

this entity surface form: Moonlight Sonata

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 "Moonlight" self-linksurface differs ⓘ

this entity surface form: Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2

Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight" → alternativeName → Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight" ⓘ

this entity surface form: Moonlight Sonata

Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight" → setContains → Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight" self-linksurface differs ⓘ

this entity surface form: Piano Sonata No. 13 in E-flat major, Op. 27 No. 1

Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight" → popularNickname → Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight" ⓘ

this entity surface form: Moonlight Sonata

Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight" → workByComposerNumbering → Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight" self-linksurface differs ⓘ

this entity surface form: Beethoven piano sonata No. 14

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" ⓘ

Opus 27 No. 2 → title → Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight" ⓘ

this entity surface form: Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2

Opus 27 No. 2 → alsoKnownAs → Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight" ⓘ

this entity surface form: Moonlight Sonata

Countess Giulietta Guicciardi → associatedWith → Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight" ⓘ

this entity surface form: Beethoven’s Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2

Moonlight → refersTo → Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight" ⓘ

this entity surface form: Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2

Sonata quasi una fantasia → originalTitleOf → Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight" ⓘ

this entity surface form: Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2

Sonata quasi una fantasia → alsoKnownAs → Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2 "Moonlight" ⓘ

this entity surface form: Piano Sonata No. 14 in C-sharp minor, Op. 27 No. 2

All labels observed (6)

How this entity was disambiguated Show

Statements (49)

How these facts were elicited Show

Referenced by (16)

How this entity was disambiguated

How these facts were elicited