24 Preludes, Op. 37: No. 13 in F-Sharp Major: Allegretto scherzando 24 Preludes, Op. 37: No. 17 in A-Flat Major: Allegretto vivace 24 Preludes, Op. 37: No. 8 in F-Sharp Minor: Allegro moderato 24 Preludes, Op. 37: No. 18 in F Minor: Allegretto con moto 24 Preludes, Op. 37: No. 19 in E-Flat Major: Allegro vivo 24 Preludes, Op. 37: No. 10 in C-Sharp Minor: Vivace ed energico 24 Preludes, Op. 37: No. 20 in C Minor: Allegro moderato 24 Preludes, Op. 37: No. 23 in F Major: Allegro vivace 24 Preludes, Op. 37: No. 12 in G-Sharp Minor: Andantino 24 Preludes, Op. 37: No. 15 in D-Flat Major: Andantino sostenuto