Schubert Impromptu Op 90 No 2 Harmonic Analysis _verified_ -
When a pianist plays this impromptu, they are not just playing fast triplets. They are navigating a harmonic labyrinth where the tonic major key is the Minotaur—seen only at the very end. It is this journey of harmonic expectation and delayed gratification that makes Schubert’s Op. 90 No. 2 not just a virtuosic showpiece, but a profound psychological drama set to music.
The recapitulation of Section A is not a literal repeat. Schubert truncates the material and drives toward a violent harmonic climax in the coda. The coda is where the long-awaited finally reigns, but only after a final, desperate struggle.
A verbatim return of the opening material. schubert impromptu op 90 no 2 harmonic analysis
The most striking harmonic feature is the shift to . Theoretically, this is a distant relationship from E-flat Major, but Schubert prepares it enharmonically.
: Enharmonic reinterpretation & chromatic sequences When a pianist plays this impromptu, they are
| Section | Measure | Key(s) | Harmonic Function/Analysis | | :--- | :--- | :--- | :--- | | | 1 | Eb minor | Tonic established, but parallel minor, not major. | | A (Digression) | 5 | Cb major / B major | Neapolitan (bII) of Eb minor. Dreamlike escape. | | A (Sequence) | 29 | F7 → E7 → Eb7 → Ab7 | Descending dominant 7th chain. Chromatic mediant shifts. | | A (Pivot) | 37 | A major | German Augmented 6th (Ger+6) in Eb minor. | | B (Trio) | 69 | B major | Chromatic mediant of original tonic Eb. | | B (Sequence) | 79 | B – E – A – D – G – C – F# – B | Descending 5ths with chromatic bass. | | Return | 115 | B major = Cb major | Enharmonic re-spelling; Cb becomes Neapolitan of Eb minor. | | Coda | 147 | Eb MAJOR | First true statement of the tonic major. | | Final | 162 | Eb MAJOR | Picardy third ends the piece. |
The piece concludes with a coda that is a compressed variation of the B section material. Final Tonality: Schubert truncates the material and drives toward a
A stark contrast labeled as the "Trio," moving to the surprising key of B minor .