- Key: C♯ major
- Tempo: Adagio
- Structure: ABA
-_ A_: Begins with a sustained C♯ in the right hand and a broken chord in the left hand.
-_ B_: Modulates to F♯ minor and features a descending chromatic scale in the right hand.
-_ A_: Returns to the opening material in C♯ major.
Fugue
- Key: C♯ major
- Tempo: Allegro
- Structure: Exposition, Development, Recapitulation, Coda
- Subject: Opens with a five-note subject in the tonic key, played in the right hand.
- Exposition: Subject is presented in all four voices, with each entrance a fifth higher than the previous one.
- Development: Subject is subjected to a variety of developmental techniques, including augmentation, diminution, and inversion.
- Recapitulation: Subject returns in its original form in all four voices.
- Coda: Brings the fugue to a close with a series of imitative entries and a final statement of the subject in the tonic key.