The melody alternates between soprano and bass, engaging in a dialogue. Chords continuously mark a triple meter rhythm in the middle register. Similar to No. 13, the melody wanders, creating a sense of floating.

Although the main key is F-sharp minor, it continuously modulates through C major, C-sharp major, and D major from the beginning until measure 15, progressing with an ambiguous atmosphere. It frequently uses chords containing non-harmonic tones, reaching its climax at measure 41. In the recapitulation section from measure 52, the melody is played in the bass, singing as if wandering.