Schubert's Impromptu Op. 90 No. 2 in E-flat Major is a perpetuum mobile
Let's begin our harmonic analysis by examining the opening measures of the exposition.
The B section modulates through a series of related keys, including:
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 schubert impromptu op 90 no 2 harmonic analysis
It begins by establishing B minor through strong accents on the second beat. It eventually modulates to its dominant, F-sharp minor (mm. 83–102). A dramatic climax occurs featuring a Neapolitan cadence
The A section itself is ternary (a–b–a). The middle "b" sub-section shifts to the parallel minor (E-flat minor) , creating a "poignant beauty" through its sudden shift to pianissimo Secondary Dominants:
mediant modulation and an unconventional modal collapse into the parallel minor. Through these harmonic choices, Schubert transforms a seemingly light salon piece into a gripping, psychological narrative. If you would like to explore this piece further, Schubert's Impromptu Op
of V chord. The section concludes with a perfect authentic cadence in the new key (I, bII6, V#, I). 3. Return of Section A and Coda
The piece begins with an implied tonic chord (E-flat – G – B-flat) arpeggiated in triplets. However, Schubert immediately tonicizes (the dominant’s parallel minor).
) that utilizes and enharmonic modulations (most notably the shift to The B section modulates through a series of
The B section is characterized by a driving, syncopated rhythm. It alternates between B minor and its relative major, D major. Alternation between (B minor) and V7cap V to the seventh power Bars 103–118: Modulation to D major ( IIIcap I cap I cap I A7cap A to the seventh power
This piece is less about functional harmony and more about harmonic color and narrative surprise – a hallmark of Schubert’s mature style, anticipating Liszt and even Wagner.
The A section functions similarly to an etude, requiring great wrist flexibility for the continuous scalic figures. AI responses may include mistakes. Learn more Schubert's Impromptu Op. 90 No. 2 Analysis | PDF - Scribd
Moves to E-flat Minor , introducing a darker, more lyrical tone.