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Beethoven Piano Sonata Moonlight Analysis Essay

I can’t believe this channel has existed for over 2 years and we haven’t yet done an analysis on Moonlight Sonata by Beethoven, probably one of the most famous piano pieces of all time. But today’s the day!

In today’s video, we’re going to look at all three movements – yes, there are three movements, beyond the iconic slow first movement – and talk a little history and analysis.

The purpose of this video is to give you a deeper insight into this lovely sonata, whether or not you’re a music nerd or everyday general music fan. We’ll play clips from the piece so you can get a sense of what it sounds like, and talk a bit of history, theory and style.

Let’s get to it!

Moonlight Sonata by Beethoven: General info

The actual title for Moonlight Sonata by Beethoven is “Piano Sonata no. 14 in C# minor, op. 27 no. 2”. It was written in 1801, and aside from being popular over 200 years later, it was pretty well-loved in Beethoven’s day as well.

It wasn’t always called “Moonlight Sonata” – on the first edition, Beethoven gave the piece an Italian subtitle, “Sonata quasi una fantasia”, which translates to something like “Sonata almost like a fantasy” (A fantasy is another music genre, and much more improvisational).

Shortly after Beethoven’s death, a well-known music critic named Ludwig Rellstab made the comment that the first movement sounded like moonlight shining upon Lake Lucerne. That comment caught fire, and within a decade it was already being published as “Moonlight Sonata”.

Inspiration for Moonlight Sonata by Beethoven

Frederic Chopin was said to have been inspired to write his Fantaisie-Impromtu because of this piece, as a tribute to Beethoven. I love this quote by Enst Oster, who writes,

“… With the aid of the Fantaisie-Impromptu we can at least recognize what particular features of the C♯ minor Sonata struck fire in Chopin. We can actually regard Chopin as our teacher as he points to the coda and says, ‘Look here, this is great. Take heed of this example!’ … The Fantaisie-Impromptu is perhaps the only instance where one genius discloses to us — if only by means of a composition of his own — what he actually hears in the work of another genius.”

The title “Moonlight” sonata makes it sound like this is a rather romantic sonata, and people have speculated that it was meant as a sort of love song to Giulietta Guicciardi, Beethoven’s 17-year old piano student who he dedicated the piece to.

However, it’s much more likely that the inspiration came from a darker place. In one of the original manuscripts, Beethoven had notes from Mozart’s Don Juan, also in C# minor, from the scene where Don Juan kills the commander. This indicates to us that Beethoven envisioned more of a funeral feel to this movement, as opposed to a romantic feel.

It was also written in his early thirties, around the time he was starting to deal with his hearing loss and his music style was changing. When I listen to this, I don’t hear a story of lost love – I hear a story of death and turmoil.

So Beethoven was heavily influenced by Mozart’s death scene in Don Giovanni, and Chopin was later inspired by Moonlight Sonata for his Fantaisie-Impromtu. Ahh, the cycle of (music) life!

Overall structure of Moonlight Sonata by Beethoven

So let’s look at the overarching structure of this work, which generally runs about 20 minutes. It’s got three movements:

This is typical of the Classical-era genre – sonatas are almost always 3-4 movements long. What is unusual about this sonata is the tempo choices. Usually sonatas are fast-slow-fast, with the slow movement sandwiched in the middle. The first and last movement are almost always quite brisk.

But Beethoven goes slow-medium-fast in this sonata, which was really unusual, and a testament to his rule-breaking. He enjoyed saving the most important movement for last, and did so in other sonatas (op. 27 no. 1, and op. 101).

1st movement: Adagio sostenuto

The first movement of Moonlight Sonata by Beethoven is the one that most people are familiar with – you’ll recognize it right away when we take a listen.

The movement as a whole is quite quiet and somber, mainly piano/pianissimo with a few crescendos – it never grows beyond that, which is really quite restrained for passionate Beethoven.

Some famous musicians, such as Hector Berlioz, really loved the movement, saying,

“It is one of those poems that human language does not know how to qualify.”

Carl Czerny, Beethoven’s piano student, also quite enjoyed it, as did many listeners in Beethoven’s time. This actually frustrated Beethoven, who said to Czerny, “Surely I’ve written better things.” It’s like Radiohead with Creep all over again.

Let’s take a quick listen to a little bit of the introduction and first subject, to get the tune in your head while we talk.

Moonlight Sonata: Rhythmic Ostinato

Throughout the movement, we have a rhythmic ostinato – Beethoven’s triplet pattern that continues without fail throughout the entire movement. This gives the piece a “rolling” feeling – it feels as though it’s swaying back and forth.

The melody of this movement is very fleeting – it creates a feeling of little peeks of light shining through the pitch-black lower notes. The melody practically glistens.

On a personal note, learning this movement was a revelatory piano experience – some of you have probably experienced this with pieces you’ve learned. That magical feeling like you’re witnessing pure genius, as you unfold it note by note, chord by chord. I remember the first time I learned to play the tense second theme, and being completely blown away by the brilliant harmonies.

That’s one of the reasons I’m such a fan of playing Classical music. When else do you get to personally witness such genius, up close and in your own home? I get the same way when I go to art galleries – it can bring you to tears.

1st movement: Technical details

So let’s get into some technical details. The first movement is in a weird version of sonata form (for a normal version of sonata form, check out this video). It’s got a first subject (mm. 1-5) and a second subject (mm. 15-23) in the exposition.

The development section is really short (mm. 23-42), which is one thing that sets it apart from other more regular sonatas. We usually expect the development section to take the themes from the exposition and spend time twisting them around, but Beethoven doesn’t go there. This part is almost like a short bridge.

And then we have the recapitulation, where the first theme (mm. 42-46) and second theme (mm. 51-60) are brought back, with the second theme being in a different key the second time around.

Finally, we have the coda (ending) from mm. 60-65, bringing the movement to a close.

Fantasy-esque Cadenza

We’ve already mentioned that Beethoven intended this movement to be “almost like a fantasy”, which means it has an improvisational feel to it. This means he decided to shirk a lot of the common harmonic progressions and “rules” of sonata form, which gives this movement a much freer feel.

There’s a passage in the middle (the development section) where the melody drops and the notes run up and down the keyboard – this, to me, has a really distinct improvisational flair to it, almost like a little cadenza. Play around with rubato (flexible tempo) and expression in this part especially.

Let’s take a quick listen to that part from the development section – it’s full of diminished chords, and very tense.

Performed by Allysia

1st movement: Recapitulation

The final clip I want you to listen to is from the recapitulation. It’s the second theme, which we haven’t yet listened to. You’re all probably familiar with the famous first theme (which we started the listening with), but this second theme is my favorite. It’s really powerful, and always feels exciting to play.

Some practice suggestions

If you’re learning this on the piano, or plan to soon, it’s a great place to experiment with the una corda, or “first pedal”. This is most of my students’ first introduction to using the softening first pedal, and sounds great in the pianissimo sections. And you want to use this pedal while simultaneously using the damper pedal as well.

Another challenge of playing this is that the melody notes in the right hand are mainly performed with the pinky, and, as such, it’s really easy for that note to disappear, instead of cutting through the accompaniment like it’s meant to.

I was personally inspired by Claudio Arrau for my interpretation of this movement – he plays very slow, and with incredible expression. The triplet pattern never sounds mechanical, and his melody is so clear.

2nd movement: Allegretto

Of the three movements, this is the one that people are generally the least familiar with. It’s your average minuetto and trio, and pretty unremarkable.

This movement reminds me of a palate cleanser. The first movement has a really strong flavor, so you need a little plain food and drink to reset your palate for the equally strong flavor of the final movement.

So I don’t think it’s unremarkable because Beethoven was phoning it in – I think it’s unremarkable very deliberately. Anything more would have been “too much”, too overwhelming.

Franz Liszt described the second movement as a “flower between two chasms”, which is much more poetic than my food analogy.

On the technical side of things, this minuetto and trio is a little unusual because both the minuetto part and the trio part are in the same key. Usually the composers will switch up the keys, but Beethoven kept things really simple.

It’s interesting, too, that this minuetto and trio is in the key of Db major. The first and third movements are in C# minor, which, if you picture a keyboard, is actually the exact same note as Db. We call these keys “enharmonic”, meaning they’re different names for the exact same note on the piano.

The reason many composers choose to write in Db major instead of C# major is because it’s easier to digest. Look at the following:

The flat version has a couple white keys, whereas in the sharp version, literally every note is played sharp. It’s hard to mentally digest that.

The same goes for writing in C# minor versus Db minor. So if you’ve ever wondered why composers write in enharmonic keys (C# instead of Db), that’s usually why.

Let’s take a quick listen to the minuetto (first part), and we’ll follow it directly with a clip from the trio (second part).

See credits at end of this post

3rd movement: Presto agitato

This is a really exciting movement, and one that I featured in the video “Classical Music for People who don’t Like Classical Music”. The mood is dark and heavy like the first movement, except this time it’s loud and fast and exciting.

It’s best described as ferocious, powerful and passionate, and it’s the movement that requires the most skill. The first movements are pretty doable for a late intermediate student, but this last movement is quite advanced (something you’ll be able to tell when you listen to it).

Let’s take a quick listen to the start of the exposition (this movement is in sonata form, which we’ll talk about shortly), so you can get the tune in your head.

3rd movement: Analysis

Interestingly, you’d think this would be a movement littered with fortissimos, blasting out through the whole piece. But the powerful sound of this movement isn’t achieved by blasting out a stream of loud notes – rather, it’s a few well-chosen accents in a sea of quiet playing (with the odd, short fortissimo section) that makes it have impact.

Valentina Lisitsa’s interpretation of the final movement is my favorite – it’s so fast and fluid and exciting. I urge you to check it out!

Let’s jump to the technical side of this movement. Like the first movement, it’s written in sonata form. You’ve got the exposition (mm. 1-65), development (mm. 66-102), recapitulation (mm. 103-158), and coda (158 to end).

It’s an incredibly cool movement and I urge you to check it out in full, but for now let’s take a quick listen to the development section. I want you to take a listen to all the parallels from the exposition – it starts off virtually identical, except with some twists and turns. For example, the development section blasts off on a major chord.

When you listen to the full version, you’ll hear all the ways in which the development section completely turns the exposition on its head.


After the development, the recapitulation occurs, which is basically identical to the exposition, with a few minor changes.

If you enjoyed this video analysis of Moonlight Sonata, you might want to check out some of our other similar videos:

Clair de Lune by Debussy
Goldberg Variations by Bach
Canon in D by Pachelbel

And don’t forget to check out some of our Beethoven videos, such as:

A Brief History of Beethoven
The Music of Beethoven: Six Favorites



Credit to: Performed by Paul Pitman on piano (2nd and 3rd movement), published by Palo Alto: Musopen, 2014


Credit to: Allysia Kerney (1st movement) and Rob Hillstead.

The Piano Sonata No. 14 in C♯ minor "Quasi una fantasia", op. 27, No. 2, by Ludwig van Beethoven, popularly known as the Moonlight Sonata (Mondscheinsonate in German), was completed in 1801.[1] It is rumored to be dedicated to his pupil, 17-year-old[2] Countess Giulietta Guicciardi,[3] with whom Beethoven was, or had been, in love.[4] It is one of Beethoven's most popular sonatas.

The name "Moonlight" Sonata derives from an 1832 description of the first movement by music critic Ludwig Rellstab, who compared it to moonlight shining upon Lake Lucerne.[1][5]

Beethoven included the phrase "Quasi una fantasia" (Italian: Almost a fantasy)[6] in the title partly because the sonata does not follow the traditional movement arrangement of fast-slow-[fast]-fast. Instead, the Moonlight sonata possesses an end-weighted trajectory; with the rapid music held off until the third movement. To be sure, the deviation from traditional sonata form is intentional. In his analysis of the Moonlight sonata, German critic Paul Bekker states that “The opening sonata-allegro movement gave the work a definite character from the beginning... which succeeding movements could supplement but not change. Beethoven rebelled against this determinative quality in the first movement. He wanted a prelude, an introduction, not a proposition.”[7]


The sonata has three movements:

  1. Adagio sostenuto
  2. Allegretto
  3. Presto agitato

Adagio sostenuto

The first movement, in C♯ minor, is written in an approximate truncated sonata form. The movement opens with an octave in the left hand and a triplet figuration in the right. A melody that Hector Berlioz called a "lamentation", mostly by the right hand, is played against an accompanying ostinato triplet rhythm, simultaneously played by the right hand. The movement is played pianissimo or "very quietly", and the loudest it gets is mezzo forte or "moderately loud".

The movement has made a powerful impression on many listeners; for instance, Berlioz said of it that it "is one of those poems that human language does not know how to qualify."[8] The work was very popular in Beethoven's day, to the point of exasperating the composer himself, who remarked to Carl Czerny, "Surely I've written better things."[9]


The second movement is a relatively conventional scherzo and trio, a moment of relative calm written in D-flat major, the enharmonic equivalent of C♯ major, the more easily-notated parallel major of C♯ minor. Franz Liszt described the second movement as "a flower between two chasms."[citation needed] The slight majority of the movement is in piano, but a handful of sforzando's and fp's helps to maintain the movement's cheerful disposition.

Presto agitato

The stormy final movement (C♯ minor), in sonata form, is the weightiest of the three, reflecting an experiment of Beethoven's (also carried out in the companion sonata, Opus 27, No. 1 and later on in Opus 101) placement of the most important movement of the sonata last. The writing has many fast arpeggios and strongly accented notes, and an effective performance demands lively and skillful playing.

Of the final movement, Charles Rosen has written "it is the most unbridled in its representation of emotion. Even today, two hundred years later, its ferocity is astonishing."[8]

It is thought that the C-sharp minor sonata, particularly the third movement, was the inspiration for Frédéric Chopin's Fantaisie-Impromptu,[10] which manifests the key relationships of the sonata's three movements.

Beethoven's heavy use of sforzando notes, together with just a few strategically located fortissimo passages, creates the sense of a very powerful sound in spite of the predominance of piano markings throughout. Within this turbulent sonata-allegro, there are two main themes, with a variety of variation techniques utilized.

Beethoven's pedal mark

See also: Piano history and musical performance, Mute (music), and Piano pedals#Beethoven and pedals

At the opening of the work, Beethoven included a written direction that the sustain pedal should be depressed for the entire duration of the first movement. The Italian reads: "Si deve suonare tutto questo pezzo delicatissimamente e senza sordino". ("One must play this whole piece [meaning "movement"] very delicately and without dampers.") The modern piano has a much longer sustain time than the instruments of Beethoven's day, leaving for a rather blurry and dissonant tone.

One option for dealing with this problem is to perform the work on a restored or replicated piano of the kind Beethoven knew. Proponents of historically informed performance using such pianos have found it feasible to perform the work respecting Beethoven's original direction.

For performance on the modern piano, most performers today try to achieve an effect similar to what Beethoven asked for by using pedal changes only where necessary to avoid excessive dissonance. For instance, the Ricordi edition of the score posted at the external link given below does include pedal marks throughout the first movement. These are the work of a 20th century editor, meant to facilitate performance on a modern instrument.

Half pedaling — a technique involving a partial depression of the damper pedal — is also often used to simulate the shorter sustain of the early nineteenth century pedal. Charles Rosen suggests both half-pedaling and releasing the pedal a fraction of a second late.[8]

Banowetz offers a further suggestion: to pedal cleanly while allowing sympathetic vibration of the low bass strings to provide the desired "blur." This is accomplished before beginning the movement by silently depressing the piano's lowest bass notes and then holding these dampers up with the sostenuto pedal for the duration of the movement. [11]


  1. ^ ab(1988) Album notes for Piano Sonatas Nos. 8, 14 and 23 by Jenő Jandó. Naxos Records (8550045).
  2. ^Rudall, H. A. (1903). Beethoven. New York: Sampson Low, Marston & Co. p. 71. 
  3. ^Matthews, Max Wde (2002). The encyclopedia of Music. pp. 335. 
  4. ^Morris, Edmund (2005). Beethoven: The Universal Composer. HarperCollins. pp. 93–94. ISBN 0060759747. 
  5. ^Beethoven, Ludwig van (2004). Beethoven: The Man and the Artist, as Revealed in His Own Words. 1st World Publishing. pp. 47. ISBN 1595401490. 
  6. ^Grove Music Online (the article "Quasi"): "sonata in the manner of a fantasy"; the rubric sonata quasi una fantasia is also used for the preceding piano sonata, Op. 27 no. 1.
  7. ^ Maynard Solomon, Beethoven (New York: Schirmer Books, 1998), 139
  8. ^ abcCharles Rosen (2002). Beethoven's Piano Sonatas: A Short Companion. Yale University Press. ISBN 0300090706. 
  9. ^Life of Beethoven, Alexander Wheelock Thayer, ed. Elliot Forbes, Princeton 1967
  10. ^ Felix Salzer, Aspects of Schenkerian Analysis, David Beach, ed. Yale University Press, 1983
  11. ^ Banowetz, J. (1985). The Pianist’s Guide to Pedaling, Bloomington: Indiana University Press, p. 168.

External links


v • d • e

Piano sonatas by Ludwig van Beethoven
Nos. 1 – 10
(Opus 2 – 14)

No. 1 in F minor, Op. 2, No. 1 ·No. 2 in A major, Op. 2, No. 2 ·No. 3 in C major, Op. 2, No. 3 ·No. 4 in E flat major, Op. 7 (Grand Sonata) ·No. 5 in C minor, Op. 10, No. 1 ·No. 6 in F major, Op. 10, No. 2 ·No. 7 in D major, Op. 10, No. 3 ·No. 8 in C minor, Op. 13 (Pathétique) ·No. 9 in E major, Op. 14, No. 1 ·No. 10 in G major, Op. 14, No. 2

Nos. 11 – 20
(Opus 22 – 49)

No. 11 in B flat major, Op. 22 ·No. 12 in A flat major, Op. 26 (Funeral March) ·No. 13 in E flat major, Op. 27, No. 1 (Quasi una fantasia) ·No. 14 in C sharp minor, Op. 27, No. 2 (Moonlight) ·No. 15 in D major, Op. 28 (Pastoral) ·No. 16 in G major, Op. 31, No. 1 ·No. 17 in D minor, Op. 31, No. 2 (The Tempest) ·No. 18 in E flat major, Op. 31, No. 3 (The Hunt) ·No. 19 in G minor and No. 20 in G major, Op. 49 (Two Easy Sonatas)

Nos. 21 – 32
(Opus 53 – 111)

No. 21 in C major, Op. 53 (Waldstein) ·No. 22 in F major, Op. 54 ·No. 23 in F minor, Op. 57 (Appassionata) ·No. 24 in F sharp major, Op. 78 (A Thérèse) ·No. 25 in G major, Op. 79 ·No. 26 in E flat major, Op. 81a (Les adieux) ·No. 27 in E minor, Op. 90 ·No. 28 in A major, Op. 101 ·No. 29 in B flat major, Op. 106 (Hammerklavier) ·No. 30 in E major, Op. 109 ·No. 31 in A flat major, Op. 110 ·No. 32 in C minor, Op. 111

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