Pianist Henrik Kilhamn presents Schubert's 2nd Impromptu from the first set, Op. 90. If the playful, seemingly never-ending scales are a gentle stream in a sunny nature scene, the raw and rough chords in the middle section is a heavy storm brewing.

Analysis and performance (last half) (12.52).

Link to Youtube video: https://youtu.be/CBFgQ-vbMtk