The section opens with dramatic, heavily articulated chords in
The Op. 90, No. 2 showcases typical traits of Schubert's mature style:
While often played as a moto perpetuo technical study due to its relentless running triplets, a harmonic analysis reveals it is anything but monotonous. Instead, it is a drama of shifting tonalities, deceptive cadences, and dramatic contrasts between its sparkling opening and its stormy, brooding Trio. 1. Structure and Tonal Scheme
Schubert begins with a simple I - V7 - I progression in E-flat major. However, he quickly introduces chromatic passing tones within the scales to blur the lines of the key. schubert impromptu op 90 no 2 harmonic analysis
Demands a heavier, more resonant tone to bring out the drama and tension in the harmonic changes.
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
This pivot is the cornerstone of the piece’s harmonic architecture. The relationship between the original key of E-flat major (6 flats) and the new key of B minor (2 sharps) is a . By journeying through the "flat side" of the circle of fifths to achieve a key on the "sharp side," Schubert liberates harmony from diatonic function, creating a startling and dramatic shift in color and mood. The section opens with dramatic, heavily articulated chords
The final cadence consists of a furious, descending E-flat minor scale running down the keyboard, ending on a brutal, fortissimo E-flat minor root chord. Conclusion
The syncopated rhythm from Section B returns, but it is transposed from B minor to E-flat minor ( ). The harmony alternates violently between (E-flat minor) and (B-flat major).
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 Instead, it is a drama of shifting tonalities,
Features a classical 4+4 phrase structure. The right hand performs rapid scalar passages over a relatively simple, repetitive bass line that provides a firm harmonic anchor. Key Transitions: Early in this section, there is a poignant transition from E-flat Major to the parallel E-flat minor , marked by a shift to pianissimo Chromaticism:
: The harmonic foundation is a simple I – V7 – I progression in E-flat major. The left hand provides stable, off-beat accompaniment chords anchoring the key.