Harmonic Analysis — Schubert Impromptu Op 90 No 2

Impromptu Op. 90, No. 2, is written in the key of A-flat major, with a tempo marking of "Allegretto." The piece follows a modified sonata form, comprising an exposition, development, and recapitulation. The structure can be outlined as follows:

, but Schubert quickly introduces harmonic ambiguity by slipping into the parallel E-flat minor Harmonic Language: The meanderings of the triplets are often grounded by secondary dominants that build toward climactic peaks. schubert impromptu op 90 no 2 harmonic analysis

Schubert Impromptu Op. 90 No. 2: A Deep Harmonic Analysis Franz Schubert’s Impromptu in E-flat major, Op. 90, No. 2 (D. 899) is a masterclass in Late Classical and Early Romantic composition. Behind its surface-level brilliance and continuous triplet motion lies a sophisticated harmonic framework. Schubert utilizes sudden modal mixture, enharmonic pivots, and structural polarity to build dramatic tension. Structural Overview and Tonal Centers Impromptu Op