minor , for the Trio. This is a distant relationship to the original This section establishes minor (tonic) before modulating to its dominant, Internal Progressions: mm. 83–86: Establishes minor using a progression. mm. 87–90: Continues the minor tonality, ending on a chord to maintain tension. Coda: The Final "Tragedy" Minor Resolution: Instead of ending in the bright major of the opening, the Coda (based on the section's material) forcefully pulls the piece into
The Impromptu is cast in a large with a substantial Coda . However, Schubert subverts the traditional expectations of this form through his choice of keys and the tragic trajectory of the ending. Primary Key Character / Material Section A mm. 1–82 E-flat Major Fluid, perpetual motion triplets; elegant and scalar. Section B mm. 83–168 B-minor (vi-flat) Highly rhythmic, syncopated, dramatic, and rustic. Section A′ mm. 169–250 E-flat Major Exact repetition of the opening material. Coda mm. 251–283 E-flat Minor Dark, aggressive transformation of Section B material. 2. Section A: Diatonic Elegance and Chromatic Inflections
The piece follows a classic with a Coda:
The right-hand plays heavy, accented chords and triplet figures, while the left-hand maintains a rhythmic, "stamping" bass line. The Harmonic "Sobbing"
By ending a major-key piece in its parallel minor, Schubert subverts Classical expectations. The harmonic journey transforms what began as a light, elegant study into a profound, tragic drama. schubert impromptu op 90 no 2 harmonic analysis
for the most challenging triplet passages.
(mediant) of B major, which Schubert immediately darkens into . Anatomy of the B Section (Bars 83–168)
resolves immediately into the E-flat major scale of Section A'. The Coda: Ultimate Tonal Collapse
The harmonic plan of the Impromptu Op. 90 No. 2 is a masterpiece of Romantic tonal design. The overall key areas (E-flat major → B minor / C-flat minor → G major) are connected by , a relationship that creates a sense of distance and novelty. minor , for the Trio
major section, the melodic lines often feel melancholic or hesitant, showcasing Schubert’s ability to combine contrasting emotions simultaneously. 5. Performance Implications Understanding the harmony is crucial for performance.
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:
If you would like to explore specific sections further, please let me know:
Characterized by rapid, descending scale triplets and arpeggios that feel fluid and etude-like. focus on these three "Schubertian" techniques:
Franz Schubert’s Impromptus Op. 90 (D. 899) , composed in 1827, stand as monumental achievements in the Romantic piano repertoire. Among them, No. 2 in E-flat major is celebrated for its breathtaking velocity, perpetual-motion triplets, and dramatic emotional shifts.
The middle section wanders away from B
: The music sequences upward, passing through G-flat major ( III) and C-flat major (
Instead of a standard modulation, Schubert shifts to B-flat minor (the parallel minor of the dominant) before resolving to B-flat major . This sudden darkening of the harmonic palette is a core fingerprint of Schubert's style.
If you are writing a paper or studying the score, focus on these three "Schubertian" techniques: