Prelude & Fugue No.10 in E minor,BWV 855 Prelude & Fugue No.12 in F minor,BWV 857 Prelude & Fugue No.20 in A minor,BWV 865 Prelude & Fugue No.16 in G minor,BWV 861 Prelude & Fugue no.20 in A minor, BWV889 Prelude & Fugue no.6 in D minor, BWV875 Prelude & Fugue No.24 in B minor,BWV 869 Prelude & Fugue no.2 in C minor, BWV847 Prelude and Fugue No.2 in C minor,BWV 847 Prelude and fugue in a minor bwv 894