E-flat minor. Re-evaluates themes from Section B and forces a tragic conclusion. Section A: E-flat Major and Modal Shifts The Main Theme (mm. 1–25)
While the triplets provide continuous movement, the underlying harmony is slower, creating a "breath" in the music. 3. Harmonic Analysis of Section B (B Minor Trio) schubert impromptu op 90 no 2 harmonic analysis
[Theme 1: E-flat Major] ---> [Theme 2: B-flat Major (V)] ---> [Codetta: E-flat Major] The Initial Period (mm. 1–14) E-flat minor