Schubert — Impromptu Op 90 No 2 Harmonic Analysis !!install!!

Schubert establishes a clear I – V7 – I progression in E-flat major.

A comparison of this piece's form to Share public link

minor, a dramatic, stormy middle section in the parallel minor of the subdominant ( minor), though often referenced in Return to major, recapitulating the initial theme.

This Impromptu is a textbook example of how Schubert used harmony to create a "psychological" narrative—wandering through keys not just to fit a form, but to evoke a sense of longing and searching.

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. schubert impromptu op 90 no 2 harmonic analysis

The Trio section is notable for its distant harmonic relationship, modulating from E-flat to

Shifts to iv (Ab major) – another third relation (C minor to Ab major is a descending major third). This is Schubert’s “romantic” third progression.

The section opens with dramatic, heavily articulated chords in

and utilizes contrapuntal neighbor and passing tones (like the F#–G–F# movement) to maintain tension. Modulation: Schubert establishes a clear I – V7 –

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.

The real “crossing of the edge”, however, occurs at measure 83. Here is how Schubert builds the modulation:

If you are writing a paper or studying the score, focus on these three "Schubertian" techniques:

minor), but writes it in B minor for easier reading. This shift highlights his "anarchic" approach to traditional tonality. Unlike traditional major-key works of the era, the

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 piece follows a form with a substantial Coda. Section A: E-flat Major (perpetual motion triplet scales). Section B: B-minor (the dramatic "Trio" section). Section A': Return to E-flat Major. Coda: E-flat Minor (a tragic reversal of the opening). Section A: The Fluidity of E-flat Major

Summary at a glance

The right-hand scale triplets from Section A return, but they are trapped within the E-flat natural and harmonic minor scales. The bright, elegant character of the opening is entirely consumed by the tragic minor mode.

Schubert was a master of – the technique of respelling a chord so that its function changes without sounding an audible break. The central pivot in the Impromptu is the chord that we could call either “G♭ major” or “F♯ major”. In the context of E‑flat major, G♭ is ♭VI; in the context of B minor, the same sounding chord (spelled as F♯ major) becomes the dominant of B minor (since F♯ is the leading tone of B minor).