12 preludes, 1 fugue
Preludio I. Adagio (C major)
Preludio II. Poco Andante (C minor)
Preludio III. Andante (D major)
Preludio IV. Andante (D minor)
Preludio V. Andante (E♭ major)
Preludio VI. Andante (E minor)
Preludio VII. Andante (F major)
Preludio VIII. Poco Adagio (G major)
Preludio IX. Moderato (G minor)
Preludio X. Andante (A major)
Preludio XI. Adagio (A minor)
Preludio XII. Adagio (B minor)
Fuga. Moderato (G minor)