This section itself follows a compound ternary form (a-b-a'). It opens with rapid, scale-based triplets in E-flat major. Modulation:
This harmonic rhythm—changing chords every bar, but keeping the pulsing eighth notes—creates a stunning kaleidoscope. The listener feels like they are spinning through different colored rooms.
This piece is a study in harmonic deception. While written in , it immediately subverts the tonic and uses a relentless triplet motor to create a sense of flowing, anxious energy rather than stable repose. schubert impromptu op 90 no 2 harmonic analysis
The theme firmly establishes B minor using an alternating i – V7 progression.
minor) to create dramatic shifts rather than standard classical modulations (like tonic to dominant). This section itself follows a compound ternary form (a-b-a')
Oscillating figures act as a bridge, shifting from E-flat to the preparation for the Trio.
The final measures cascade down to a definitive The listener feels like they are spinning through
B-flat minor. Piercing, rhythmically driving contrast.
major theme. This restatement is not mere repetition; it is a restatement with a triumphant character, now in the tonic key rather than the dramatic B 5. The Coda: The Final Surprise (Measures 263–End)
A moto perpetuo (perpetual motion) piece featuring rapid right-hand triplets contrasted with a dramatic, minor-key middle section. 2. The A Section: E Major (Measures 1–90) The piece opens with a cascading triplet melody in E