Schubert establishes the tonic not with a solid chord, but through a flowing accompaniment that hints at the minor mode immediately.
The harmonic language of Schubert’s Op. 90 No. 2 is a perfect bridge between Classical clarity (clear phrase structures, functional harmony in the A section) and Romantic harmonic adventure (third relations, enharmonic modulations, Neapolitan and augmented sixth chords). The piece’s genius lies in how the relentless, toccata-like surface rhythm is underlaid with a deeply expressive and unpredictable harmonic journey—especially the shocking shift to B minor in the trio and the enharmonic tricks that frame it.
Introduction
Franz Schubert's Impromptu Op. 90, No. 2 in A-flat major is a solo piano piece that showcases the composer's mastery of harmony and melodic writing. The piece is characterized by a singing melody, nuanced dynamic shifts, and a range of emotions. This harmonic analysis will explore the piece's chord progressions, tonal harmony, and departures from traditional tonality.
Structure
The Impromptu Op. 90, No. 2 is structured in a modified A-B-A form. The A sections are in the tonic key of A-flat major, while the B section modulates to a series of related keys.
Section A (mm. 1-24)
The piece begins in A-flat major, with a gentle, lilting melody in the right hand accompanied by a steady, pulsing rhythm in the left hand. The chord progression is largely diatonic, with a I-V6/4-I progression in the first four measures:
m. 1: I (Ab major) - 3rd inversion (Ab - C - Eb) m. 2: V6/4 (Eb major) - 2nd inversion (Eb - G - Bb) m. 3: I (Ab major) - root position (Ab - C - Eb) m. 4: I (Ab major) - 1st inversion (C - Eb - Ab)
The A section continues with a series of connected phrases, each with its own unique harmonic interest. Notable moments include:
Section B (mm. 25-44)
The B section begins with a new theme in the key of E-flat major (V of Ab major). The harmony becomes more complex, with a series of secondary dominants and borrowed chords:
m. 25: V (Eb major) - root position (Eb - G - Bb) m. 27: vii°7/5 (Db7) - 3rd inversion (Db - F - Ab - Bb) m. 29: vi (Gb major) - root position (Gb - Bb - Db)
The B section modulates through a series of related keys, including:
Section A' (mm. 45-56)
The final A section returns to the tonic key of A-flat major, with a recapitulation of the opening theme. The harmony is largely similar to the first A section, with a few notable differences:
Harmonic Departures
Throughout the piece, Schubert employs a range of harmonic techniques to add color and interest:
Conclusion
Schubert's Impromptu Op. 90, No. 2 is a masterpiece of Romantic piano music, with a rich harmonic landscape that showcases the composer's innovative approach to tonal harmony. Through a combination of diatonic and chromatic harmony, Schubert creates a sense of drama and contrast, while maintaining a strong sense of tonal coherence. This harmonic analysis has highlighted the piece's intricate chord progressions, departures from traditional tonality, and expressive use of harmony to convey emotion and mood.
Harmonic Analysis of Schubert’s Impromptu in E-flat Major, Op. 90, No. 2 Franz Schubert’s Impromptu in E-flat Major, Op. 90, No. 2
(D. 899) is a staple of the Romantic piano repertoire, renowned for its "moto perpetuo" triplet scales and dramatic tonal shifts. While it begins with a light, shimmering character, a harmonic analysis reveals a darker undercurrent that eventually consumes the piece, leading to a tragic conclusion in the parallel minor key. Structural Overview The piece follows a compound ternary (A–B–A) form with a distinct Section A (E-flat Major): Characterized by rapid, scale-based triplet passages. Section B (B Minor/Trio):
A starkly contrasting "bohemian waltz" marked by heavy accents and wide-spaced octaves. Section A' (Return to E-flat Major): A restatement of the opening material. Coda (E-flat Minor):
A final, accelerating section that shifts permanently into the minor mode. Harmonic Progression and Key Relationships The Ambiguity of Section A Although ostensibly in E-flat Major , Section A frequently veers into the parallel minor ( E-flat Minor
). The harmonic rhythm is relatively slow, often tethered by a repetitive bass line that grounds the swirling right-hand triplets. A key transitional moment occurs as the music moves through a sequence of secondary dominants to reach a climax, followed by a shift to pianissimo in E-flat minor. The Remote Trio (Section B)
The Trio section is notable for its distant harmonic relationship, modulating from E-flat to
(the enharmonic equivalent of C-flat minor). This section consists of five four-bar phrases that establish B minor before modulating to F-sharp minor Key Modulations: The transition to F-sharp minor is achieved through a chord of V (G# diminished 7th). Counterpoint:
Schubert employs passing tones and neighbor tones (e.g., F#–G–F#) within the inner voices to add melodic interest to the block chords. The Coda: Final Resolution to Minor
Unveiling the Harmonic Genius of Schubert: A Deep Dive into Impromptu Op. 90, No. 2
Franz Schubert's Impromptu Op. 90, No. 2, is a timeless masterpiece that has captivated music lovers for centuries. This piece, part of a set of four impromptus, showcases Schubert's exceptional skill in crafting memorable melodies and innovative harmonies. In this article, we'll embark on a harmonic analysis of Impromptu Op. 90, No. 2, exploring the intricate web of chords, keys, and progressions that make this piece a true marvel of Romantic-era music.
Background and Context
Before diving into the harmonic analysis, let's set the stage with some background information. Schubert composed his Op. 90 impromptus in 1827, during a particularly productive period in his life. These pieces were intended for solo piano, and their title, "Impromptu," was chosen by the publisher, rather than Schubert himself. The impromptus are characterized by their poetic, expressive nature and technical challenges, making them a staple of the piano repertoire.
Structure and Form
Impromptu Op. 90, No. 2, is written in the key of A-flat major, with a tempo marking of "Allegretto." The piece follows a modified sonata form, comprising an exposition, development, and recapitulation. The structure can be outlined as follows:
Harmonic Analysis
Let's begin our harmonic analysis by examining the opening measures of the exposition.
Exposition (mm. 1-24)
The piece begins with a gentle, lilting melody in A-flat major, accompanied by a soothing arpeggio pattern. The chord progression is straightforward, moving from I (A-flat major) to IV (D-flat major) and then to V (E-flat major). However, Schubert quickly introduces a subtle harmonic nuance: the use of a Neapolitan chord (bII) in measure 5. This chord, E-flat minor, creates a sense of tension, which is later released when the progression resolves to V.
The exposition continues with a series of elegant, waltz-like passages, featuring chord progressions that expand on the tonic-dominant relationship. Schubert uses secondary dominants and appoggiaturas to add color and depth to the harmony. For example, in measure 13, a V7/IV chord (E-flat major 7th with a D-flat in the bass) leads to a beautiful IV chord, creating a sense of surprise and contrast.
Development (mm. 25-48)
The development section marks a significant shift in the harmonic landscape. Schubert modulates to F minor, introducing a darker, more contemplative mood. The chord progression becomes more complex, featuring a series of suspensions, appoggiaturas, and Neapolitan chords. A particularly striking moment occurs in measure 33, where a German sixth chord (D-flat, F, A-flat, B) leads to a V chord in E-flat major. This progression creates a thrilling sense of harmonic uncertainty.
Recapitulation (mm. 49-72)
The recapitulation returns to the home key of A-flat major, with a restatement of the opening theme. However, Schubert adds a few harmonic twists to keep the listener engaged. For example, in measure 57, a V9 chord (E-flat major 9th) with a sharp 9th (F#) creates a subtle sense of dissonance, which is later resolved.
Innovative Harmonic Techniques
Throughout Impromptu Op. 90, No. 2, Schubert showcases his mastery of innovative harmonic techniques. Some notable examples include:
Conclusion
Schubert's Impromptu Op. 90, No. 2, is a masterpiece of harmonic ingenuity, showcasing the composer's exceptional skill in crafting innovative chord progressions and modulations. Through our harmonic analysis, we've uncovered a rich web of relationships between chords, keys, and themes, which underpin the piece's beauty and emotional impact.
This impromptu continues to inspire pianists, composers, and music theorists alike, offering a glimpse into Schubert's creative genius and his profound understanding of harmony. As we continue to explore and analyze this piece, we may uncover even more secrets hidden within its intricate harmonic structure.
References:
Further Analysis and Exploration
For those interested in delving deeper into the harmonic analysis of Impromptu Op. 90, No. 2, here are some potential avenues for further exploration:
By continuing to explore and analyze this piece, we can gain a deeper understanding of Schubert's harmonic genius and the enduring appeal of his music.
Schubert's Impromptu Op. 90, No. 2 in E-flat Major is a masterpiece of early Romantic piano literature, characterized by its "perpetual motion" triplets and dramatic harmonic shifts. A harmonic analysis reveals a piece that begins with sunny, fluid scales but gradually transforms into a tragic, minor-key conclusion. Structural Overview
The piece follows a compound ternary form (A–B–A') with an extensive coda:
Section A (E-flat Major): A lively moto perpetuo featuring rapid descending scales and arpeggios in triplets.
Section B (B minor): A contrasting "trio" section, described as a "rough, bohemian waltz" or an all'ongarese (in the Hungarian style).
Coda: A dramatic finale that reintroduces B-minor elements, forcing the piece to end in E-flat minor rather than the home major key. Key Harmonic Highlights
Parallel Minor Shift: In the opening section, Schubert moves from the bright E-flat Major to the darker E-flat minor. This shift is marked by a transition to pianissimo and a change in phrasing.
The Trio's Modulation: The B section is set in the distant key of B minor (enharmonically related to C-flat minor). It utilizes heavy accents on the second beat to create a waltz feel. A notable progression here includes a modulation to F-sharp minor via a of V chord (measure 97).
Circle of Fifths: An influential progression starts in A-flat minor, moving through a circle of fifths that adds a layer of nostalgia or "anticipatory loss" before the darker B section arrives.
The Tragic Ending: Unlike traditional major-key works of the era, the piece concludes violently in E-flat minor. The coda accelerates and draws the flowing triplets of the beginning into this minor tonality, signaling an unresolved, "wintry" end.
For a detailed walkthrough of the harmonic structure and tips for mastering the scales:
Schubert's Impromptu Op. 90 No. 2 in E-flat Major (D. 899) is a swift moto perpetuo structured in a ternary (A-B-A') design
. It is technically demanding, often rated at a high difficulty level (e.g., Grade 10 on the RCM syllabus Sectional Analysis Section A (E-flat Major): Structure:
This section itself follows a compound ternary form (a-b-a'). It opens with rapid, scale-based triplets in E-flat major. Modulation:
A significant early transition occurs from E-flat major to its parallel minor (E-flat minor) , marked by a dynamic shift to pianissimo Harmonic Features:
The melody often uses secondary dominants for climactic sequences and "German sixth" chords (at bars 76 and 81) before closing the section. Section B / Trio (B Minor): The piece modulates abruptly to
(the enharmonic equivalent of C-flat minor). This provides a stark, "all'ongarese" (Hungarian style) contrast to the fluid A section. Structure: It consists of multiple four-bar phrases. Harmonic Path:
It establishes the tonic (B minor) and eventually modulates to its dominant, F-sharp minor . Some analysts interpret the internal harmony as using a iv chord with an added 6th i v raised to the a d d 6 power ), a signature Schubertian technique. Section A' and Coda:
The original A section returns with its characteristic swirling triplets. Conclusion: The piece ends with a
that is a variant of the B section. Unusually for a work that begins in a major key, it concludes forcefully in E-flat minor , subverting standard classical expectations. Summary of Harmonic Structure Primary Key Key Features E-flat Major Rapid triplets; moves into parallel E-flat minor.
Enharmonic shift; waltz-like rhythm; modulates to F-sharp minor. E-flat Major Return of initial theme. E-flat Minor Violent, minor-key ending. chord progressions or a performance guide for these sections? Impromptu in Eb major D 899/0p. 90 No 2 - Piano Syllabus
Introduction
Franz Schubert's Impromptu Op. 90, No. 2 in A-flat major is a solo piano piece that showcases the composer's mastery of harmony and lyricism. Written in 1827, this impromptu is part of a set of four pieces that are characterized by their spontaneity and poetic expressiveness. In this harmonic analysis, we will explore the piece's structure, chord progressions, and harmonic techniques.
Structure
The Impromptu Op. 90, No. 2 follows a modified sonata form, with an exposition, development, and recapitulation. The piece begins with a gentle, lilting melody in the right hand, accompanied by a subtle arpeggio pattern in the left hand. The exposition presents two main themes, which are later transformed and elaborated in the development section.
Harmonic Analysis
The piece begins in A-flat major, with a slow introduction that establishes the tonality through a series of gentle, descending arpeggios (I - VI - IV - I). The first theme, presented in the right hand, is accompanied by a straightforward chord progression:
mm. 1-4: I - IV - I - IV (A-flat major - D-flat major - A-flat major - D-flat major)
The second theme, introduced in the left hand, features a more complex harmonic progression:
mm. 9-12: VI - VII - III - VI (F-flat major - G-flat major - C-flat major - F-flat major)
This progression creates a sense of harmonic uncertainty, which is later resolved in the development section. Schubert's use of the VII chord (G-flat major) adds a touch of drama and surprise, while the III chord (C-flat major) provides a moment of contrast and color.
Development Section
The development section begins with a dramatic outburst in E-flat minor (mm. 25-28), which serves as a harmonic pivot to the new key area:
mm. 25-28: V7/E-flat - E-flat minor - A-flat major (E-flat dominant 7th - E-flat minor - A-flat major)
Schubert's use of the V7 chord creates a sense of tension, which is later released as the music returns to A-flat major. The development section features a series of fragmented themes and motives, which are passed between the hands and subjected to various harmonic transformations.
Recapitulation
The recapitulation, which begins in m. 49, presents a restatement of the first theme in A-flat major. However, Schubert adds a few harmonic twists, including a brief detour to E-flat major (mm. 57-60):
mm. 57-60: V/E-flat - I/E-flat - IV/E-flat - I/E-flat (E-flat dominant - E-flat major - A-flat major - E-flat major)
This harmonic excursion adds variety and interest to the recapitulation, while also reinforcing the piece's overall tonal structure.
Conclusion
In conclusion, Schubert's Impromptu Op. 90, No. 2 features a rich and expressive harmonic language, characterized by subtle chord progressions, unexpected harmonic twists, and a mastery of tonal structure. Through his use of harmony, Schubert creates a sense of drama, contrast, and lyricism, which are all hallmarks of his mature style. This impromptu remains one of Schubert's most beloved and enduring works, and its harmonic analysis provides a fascinating glimpse into the composer's creative genius.
Franz Schubert’s Impromptu Op. 90 No. 2 in E-flat Major (D. 899) is a staple of early Romantic piano literature, characterized by its perpetual triplet motion and dramatic shifts between major and minor modes. Formal Structure
The piece is typically analyzed in Compound Ternary Form (A–B–A’), with a distinct coda:
Section A (mm. 1–82): Built in a nested ternary form (a–b–a).
a (mm. 1–25): Establishing the home key of E-flat Major with scale-based triplets.
b (mm. 26–51): Moves to E-flat Minor, introducing a darker, more lyrical tone.
a' (mm. 52–82): Returns to the home key before transitioning to the Trio.
Section B / Trio (mm. 83–158): Set in B Minor, this section contrasts the flowing triplets with a "rough, bohemian waltz" feel, featuring off-beat accents.
Section A’ (mm. 159–242): A varied return of the initial E-flat Major section.
Coda (mm. 243–end): Reasserts themes from the Trio but, unusually for a piece starting in a major key, concludes forcefully in E-flat Minor. Harmonic Analysis
The harmonic language is defined by Schubert's signature use of chromaticism and modal mixture. Key Areas and Modulations
The Tonic (E-flat Major): The opening establishes E-flat Major, though often with a chromatic "serpentine" scale that suggests restlessness.
The Trio (B Minor / Enharmonic C-flat): The shift to B Minor (m. 83) is harmonically striking. It is prepared as C-flat Major but enharmonically transformed to B Minor for ease of reading. This section modulates frequently, specifically moving from B Minor to its dominant, F-sharp Minor (mm. 98–102).
Neapolitan Relations: Significant dramatic climaxes (e.g., mm. 114–115) utilize Neapolitan cadences, emphasizing the tragic weight of the minor key. Significant Chord Progressions
Establishment of Key: The Trio uses clear harmonic cycles to anchor the new tonality, such as the i–bII6–V#–i progression in F-sharp minor.
Harmonic Ambivalence: Schubert frequently uses rapid interchanges between major and minor versions of the same motive, creating a sense of "poetic tension".
The Final Cadence: The piece ends with a descent into E-flat Minor, finalized by two forceful chords, rejecting the "happy ending" expected of the opening E-flat Major key. Thematic & Rhythmic Analysis
Triple vs. Duple: While the A section is dominated by triplets, the Trio introduces a waltz-like rhythm where the triplet often falls on beat two, adding a "stamping" accent.
Etude-like Texture: The A section functions similarly to an etude, requiring great wrist flexibility for the continuous scalic figures. AI responses may include mistakes. Learn more Schubert's Impromptu Op. 90 No. 2 Analysis | PDF - Scribd
Franz Schubert's Impromptu Op. 90 No. 2 in E-flat Major is a masterclass in early Romantic formal and harmonic tension, famously starting in a bright major key and ending in a tragic minor key. 1. Formal Structure
The piece follows a clear ternary form (A–B–A’) with an extensive coda.
A Section (mm. 1–82): Characterized by swirling, etude-like triplets in the right hand.
B Section / Trio (mm. 83–168): A "bohemian waltz" in B minor (the enharmonic flat-sixth of the original key, or
A’ Section (mm. 169–250): A return of the E-flat Major triplets.
Coda (mm. 251–end): A high-energy accelerando that shifts the tonality permanently to E-flat Minor. 2. Harmonic Highlights Traversing Schubert's Opus 90 Impromptus
Schubert’s Impromptu Op. 90 No. 2 in E-flat Major (D. 899) is structured in a large ternary (A–B–A) form
, famously concluding with a coda that shifts the entire work’s tonal trajectory toward a tragic end האוניברסיטה העברית בירושלים 1. Section A: E-flat Major (mm. 1–82)
The opening section is characterized by a "perpetuum mobile" of rapid, scale-like triplets in the right hand over a steady, dance-like bass. The Cross-Eyed Pianist Tonal Stability: It begins firmly in E-flat Major
, but Schubert quickly introduces harmonic ambiguity by slipping into the parallel E-flat minor Harmonic Language: The meanderings of the triplets are often grounded by secondary dominants that build toward climactic peaks.
The bass line remains repetitive and tethered, providing a rhythmic "anchor" for the serpentine upper-voice scales. The Cross-Eyed Pianist 2. Section B (Trio): B Minor (mm. 83–168)
The middle section provides a stark, "stormy" contrast to the lyrical opening. Key Relationship:
Though technically prepared as if it were in C-flat Major (the flattened submediant of E-flat), it is enharmonically written in B minor , a distant and striking key choice. Phrase Structure:
This section consists of five four-bar phrases. It opens on a tonic B minor chord (i)
and utilizes contrapuntal neighbor and passing tones (like the F#–G–F# movement) to maintain tension. Modulation:
The trio frequently oscillates between the tonic and its dominant key, eventually modulating to F-sharp minor
of V chord. The section concludes with a perfect authentic cadence in the new key (I, bII6, V#, I). 3. Return of Section A and Coda
After the Trio, Section A returns largely unchanged, but its final resolution is subverted. האוניברסיטה העברית בירושלים
Unlike a standard classical return that would end in the home key of E-flat Major, the coda brings back themes from the B minor Trio but shifts them into E-flat minor Final Cadence: The piece ends forcefully in E-flat minor
, a rare move that subverts the listener's expectation for a "happy" major-key ending and reflects the "fremdling" (wayfarer) themes found in Schubert’s Winterreise The Cross-Eyed Pianist measure-by-measure breakdown of the chord progressions in the Trio section? Impromptu Es-dur Op. 90,2
Schubert's Impromptu Op. 90 No. 2 in E-flat Major (D. 899) is a masterclass in how early Romantic composers used harmonic tension and structural contrast to create a narrative of psychological transition. Composed in 1827—the same year as the searing song cycle Winterreise—the piece masks its emotional weight behind a facade of sparkling, moto perpetuo triplets. 1. Structural Overview
The piece follows a clear ternary (A–B–A) form with a substantial coda. Section A (mm. 1–82): E-flat Major / E-flat Minor
Section B / Trio (mm. 83–158): B Minor (enharmonic to C-flat minor)
Section A' (mm. 159–250): Return to E-flat Major / E-flat Minor Coda (mm. 251–283): E-flat Minor 2. Harmonic Analysis of Section A
The opening subject is characterized by a "looping" and "grouping" of scale-based triplets. While it begins in a bright E-flat major, Schubert quickly introduces a darker undercurrent.
Initial Phrases: The harmony establishes the tonic (I) in m. 1 and modulates to the dominant (V) by m. 3. schubert impromptu op 90 no 2 harmonic analysis
Modal Shift: A signature Schubertian move occurs at m. 25, where the key shifts to the parallel E-flat minor. This transition is often marked by a drop to pianissimo, signaling a shift from a playful dance to a more anxious, interior state.
Transition to B: The section concludes with oscillating figures that act as a harmonic bridge, preparing for the dramatic arrival of the Trio. 3. The Trio: A Radical Modulation
The Trio (Section B) is one of the most famous examples of Schubert’s bold harmonic language. It shifts to B Minor.
Relationship to the Tonic: From an E-flat major perspective, B minor is a distant, "non-diatonic" key. However, if we view the previous section as E-flat minor, B is the submediant (bVI).
Enharmonic Pivot: Schubert prepares this by implying C-flat major (the flattened 6th of E-flat) and then enharmonically transforming it into B minor to create a "bohemian" or "Hungarian" waltz feel.
The "Wanderer" Influence: The Trio features stamping, off-beat accented triplets and widely-spaced bare octaves, reminiscent of the "Wanderer" Fantasy. 4. The Tragic Conclusion: The Coda
Standard Classical form dictates that a piece in a major key should end in major. Schubert subverts this, reflecting the "alienation and tension" found in his late works.
Return of E-flat Minor: After the repetition of Section A, the Coda (m. 251) returns to the dark material of the Trio, now firmly rooted in E-flat minor.
The Final Cadence: The piece ends with a forceful descent and two chords in E-flat minor. This "tragic" ending symbolizes the traveler's inability to find home, a recurring theme in Schubert's final year.
For further study, you can access the full Schubert Impromptu Op 90 No 2 Sheet Music at MuseScore or explore Henrik Kilhamn's analysis on YouTube. 90 No. 4 impromptu?
Schubert's Impromptu in E-flat Major, Op. 90 No. 2 (D. 899), is a masterclass in harmonic tension and structural subversion. While it begins with a bright, swirling moto perpetuo in E-flat major, it concludes in a "tragic" E-flat minor, breaking the classical expectation of a happy resolution. Structural & Harmonic Breakdown
The piece follows a ternary (A–B–A') design with an added coda. Primary Key Harmonic Features Section A Major
Characterized by sweeping triplets. Features frequent shifts to
minor and sequences of secondary dominants leading to climaxes. Section B (Trio) B Minor Enharmonically replaces the expected
minor. Uses sharp accents and a "bohemian waltz" rhythm. Modulates through minor and uses Neapolitan cadences. Section A' Major
A literal repeat of the first section, maintaining the "sunny" triplets until the transition to the coda. Coda Minor
Instead of resolving to major, the material is pulled into the parallel minor key, ending with forceful, dark chords. Harmonic Highlights
The Parallel Minor Shift: Early in Section A, the music transitions from
minor, signaled by a shift to pianissimo. This creates an underlying "ominous" quality even in the major sections. Enharmonic Pivot ( to B): Schubert prepares the Trio in minor (the submediant of
minor), but writes it in B minor for easier reading. This shift highlights his "anarchic" approach to traditional tonality.
Trio Progressions: The Trio utilizes complex voice-leading, such as moving from the dominant of
into a "dominant" diminished seventh in B minor. One notable cadence uses the progression to firmly establish
The "Tragic" Ending: The final cadence is a violent descent in minor, a rarity for a piece that starts in a major key. Traversing Schubert's Opus 90 Impromptus
Schubert's Impromptu Op. 90 No. 2 in E-flat Major is a masterclass in contrasting musical characters, moving from a light, "moto perpetuo" (constant motion) opening to a dark, tumultuous minor-key conclusion. This harmonic shift is particularly famous because it subverts the era's expectation that a piece starting in a major key should end happily. 1. Formal Structure: Compound Ternary Form
The piece follows a standard A–B–A'–Coda structure, but with unique internal variations:
Section A (E-flat Major): Characterized by rapid, descending scale triplets and arpeggios that feel fluid and etude-like.
Section B / "Trio" (B Minor): A stark contrast in 3/4 time, featuring "bohemian" rhythms with widely spaced octaves and heavy, off-beat accents.
A' Section: A return to the shimmering E-flat major triplets.
Coda (E-flat Minor): Instead of resolving to the home key of E-flat major, the piece ends forcefully in the minor parallel, reflecting what scholars often call a "tragic" arc. 2. Key Harmonic Highlights
The Tonal Leap to B Minor: The transition to the B section is a daring harmonic move. Schubert prepares the listener for C-flat major (the flat submediant) but instead pivots enharmonically to B minor for the Trio.
Internal Modulations in Section A: While Section A is primarily in E-flat major, its middle subsection shifts into E-flat minor, providing a "darker" lyrical contrast before the main theme returns.
Unstable Progressions: The harmonic rhythm is often tethered by a repetitive, insistent bass line, yet the swirling right-hand scales frequently lead the ear through "extraordinary harmonic predicaments" that delay resolution.
B - C# - D Motion: A notable harmonic motif in the B section involves a rising third move ( B→C#→Dcap B right arrow cap C # right arrow cap D ), which drives the tension in the melodic theme. 3. Detailed Harmonic Breakdown by Section Section Key Features A Section E-flat Major Rapid scale-based triplets; - - foundational harmony with chromatic passing tones. A Transition Modulatory
Oscillating figures act as a bridge, shifting from E-flat to the preparation for the Trio. B (Trio)
Declamatory/lyrical style; heavy use of diminished sevenths (e.g., , ) and dominant chords to create tension. Coda E-flat Minor
A variant of the B section material that reasserts the minor mode for an emphatic, "angry" finish. 4. Interpretive Note: "The Lonely Traveller"
Harmonically, the shift from a bright major opening to a "violent" minor ending is often interpreted as a representation of Schubert's own emotional state in 1827—a "lonely traveller" (fremdling) whose pleasant recollections are eventually overtaken by anguish and reality. Traversing Schubert's Opus 90 Impromptus
Franz Schubert’s Impromptu in E-flat Major, Op. 90, No. 2 (D. 899) is a masterpiece of the early Romantic era. While it is beloved for its "infinity of melody" and restless energy, its harmonic structure is what truly sets it apart. Schubert moves away from the rigorous motivic development of Beethoven and toward a style based on harmonic wandering and color.
Here is a useful harmonic analysis structured by the form of the piece.
Key: E-flat major (nominal) → quickly moves to B-flat minor
The piece begins with an implied tonic chord (E-flat – G – B-flat) arpeggiated in triplets. However, Schubert immediately tonicizes B-flat minor (the dominant’s parallel minor).
| Bar Range | Key Area | Harmonic Function | Notable Feature | |-----------|----------|------------------|------------------| | 1–4 | E-flat major | Tonic prolongation (I) | Arpeggiated I – V⁷ – I | | 5–12 | B-flat minor | Modulation via C°⁷ (vii°⁷ of B-flat minor) | Uses melodic minor #6 (G-natural) and #7 (A-natural) to pivot | | 13–20 | A-flat major | Submediant of E-flat, relative major of F minor | Surprise German Augmented 6th (Ger⁺⁶) in bar 18: A-flat – C – E-flat – F# | | 21–28 | F minor | Chromatic mediant of A-flat | Descends via diminished 7ths (D°⁷, G°⁷) | | 29–36 | D-flat major | Flat submediant (bVI of F minor) | Resolves deceptively back to E-flat via a common-tone diminished 7th (C°⁷) | | 37–44 | E-flat major | Neapolitan relationship? No – direct return | Sudden Picardy effect but quickly destabilized | | 45–52 | B major (C-flat major) | Enharmonic shift: E-flat → B is a tritone | Uses F-flat to pivot to E-flat again | | 53–69 | E-flat major | Extended dominant preparation (V⁷) | False arrival at bar 61 (C-flat major chord) |
Here, Schubert fully embraces the parallel minor.
| Feature | Example in the Piece | Effect | |---------|----------------------|--------| | Third-related modulations | Eb → Cm → Ab → Fm | Smooth but unexpected key changes | | Enharmonic respelling | Eb major to B minor (Eb = D#) | Sudden, dramatic contrast | | Neapolitan sixth chord | Fb major (spelled Fb-Ab-Cb) in bars 55 & 185 | Chromatic color, expressive tension | | Augmented sixth chords | German (bar 14) and French (bar 105) | Intense dominant preparation | | Chromatic mediants | Eb to G major (bar 33) | Romantic, lush sound | | Abrupt juxtaposition | End of B section (F# major) to A’ section (Eb major) | Disorienting, magical return |
Key: E major (flat submediant of E♭ major is C♭, but E major is enharmonic to F♭—a rare III♭ relation). Schubert establishes the tonic not with a solid
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