Prelude and fugue No.36 in F minor Prelude and Fugue in A minor Prelude and fugue in C sharp minor Prelude and Fugue No.2 in C minor,BWV 847 Prelude & Fugue in A minor Prelude op.28 no.6 in B minor Prelude & Fugue no.6 in D minor, BWV875 Prelude & Fugue no.20 in A minor, BWV889 Prelude & Fugue no.2 in C minor, BWV847 Prelude and fugue on B-A-C-H