8 Duets after The Well Tempered Klavier
Naturally, two-part texture played an important role for the selection of the preludes contained in this volume, i.e. only those pieces were chosen that will not lose their musical substance when arranged for two flutes. Another aspect was the selection of pieces of a differing character.
Difficulty level, roughly compared to ABRSM exam grades. 0 is beginner, 9 is advanced (beyond grade 8).