Schubert Impromptu Op 90 No 2 — Harmonic Analysis

The piece begins in A-flat major, with a gentle, lilting melody in the right hand accompanied by a steady, pulsing rhythm in the left hand. The chord progression is largely diatonic, with a I-V6/4-I progression in the first four measures:

major, its structural and harmonic journey leads to a "tragic" conclusion in schubert impromptu op 90 no 2 harmonic analysis