6 Preludes and Fugues, Op. 35 / 1. Prelude and Fugue in E Minor, Op. 35, No. 1 : Mendelssohn: 6 Preludes and Fugues, Op. 35 / 1. Prelude and Fugue in E Minor, Op. 35, No. 1: 1. Prelude. Allegro con fuoco, MWV U1