Schubert Impromptu Op 90 No 2 Harmonic Analysis

Written in 1827, just a year before his death, this impromptu (the second of a set of four) is a masterclass in how to create drama and narrative using nothing but harmony and rhythm. This article will dissect the harmonic structure bar by bar, revealing how Schubert transforms a simple binary form into a profound emotional journey.

) . The right-hand triplets form rapid diatonic scales and arpeggios over a simple, chordal left hand. The first phrase stays firmly in major, emphasizing tonic ( ) and dominant ( V7cap V to the seventh power ) harmonies (

The section culminates in a brilliant ascending scale that leads to a forceful cadence in

Let's begin our harmonic analysis by examining the opening measures of the exposition. schubert impromptu op 90 no 2 harmonic analysis

Schubert's Impromptu Op. 90 No. 2 in E-flat Major (D. 899) is a swift moto perpetuo structured in a ternary (A-B-A') design

, a rare move for a piece that began in the major key, symbolizing a journey toward "alienation" or "tragedy". of the modulations in the Trio section?

If Section A was a walk through a pleasant park with sudden gusts of wind, Section B is a plunge into a frozen lake. Schubert does something radical: he abandons E-flat major entirely for key that is harmonically distant: . Written in 1827, just a year before his

The A section is not static; it moves from tonic through a chain of descending thirds.

The explains: “The G‑major harmony in m. 100 of the Impromptu stands in the same relationship to the key of the middle section as does the key of the middle section to the key of the outer sections”. That is, each third‑related key is reached by the same harmonic formula (dominant of the flat submediant). This creates a strikingly unified harmonic logic behind what sounds like a spontaneous, improvisatory turn.

This is the most astonishing moment in Section A. The right hand plays a descending chromatic scale, but Schubert harmonizes it with a chain of diminished seventh chords . He cycles through: The right-hand triplets form rapid diatonic scales and

minor. Uses sharp accents and a "bohemian waltz" rhythm. Modulates through minor and uses Neapolitan cadences. Major

The piece follows a form, with a substantial Coda that serves as a final variation of the B section. Section A ( major): A ternary structure within itself (a–b–a'). Section B (Trio -

A significant early transition occurs from E-flat major to its parallel minor (E-flat minor) , marked by a dynamic shift to pianissimo Harmonic Features: