Harmonic Analysis — Schubert Impromptu Op 90 No 2

As the melody climbs higher, the harmony begins to explore neighboring keys. Schubert swiftly modulates to major (the dominant, ) around measure 30.

The exposition continues with a series of elegant, waltz-like passages, featuring chord progressions that expand on the tonic-dominant relationship. Schubert uses secondary dominants and appoggiaturas to add color and depth to the harmony. For example, in measure 13, a V7/IV chord (E-flat major 7th with a D-flat in the bass) leads to a beautiful IV chord, creating a sense of surprise and contrast. schubert impromptu op 90 no 2 harmonic analysis

The B section provides a stark contrast, shifting from the lighthearted major to a stormy As the melody climbs higher, the harmony begins

natural. This introduces a sudden flash of melancholy before pivoting back to E-flat major via a secondary dominant ( ) to close the period. Chromatic Expansion (Bars 15–35) Schubert uses secondary dominants and appoggiaturas to add

Schubert's Impromptu Op. 90 No. 2 demonstrates a profound structural duality. The outer sections lean on traditional Classical syntax, utilizing standard diatonic prolongations and dominant modulations.

A variant of the B section material that reasserts the minor mode for an emphatic, "angry" finish.