Authentic historical sound, and a very evocative atmosphere of eastern influence, the mood is dark but fairly intense throughout. Using a Byzantine scale, where the lower line is an inverted mirror of the notes of the upper (around a central drone of A). A strong sound comes from a small ensemble of two strident strongly-played violins, and drones from a hurdy-gurdy. Creating an authentic historical sound, and a very evocative atmosphere of eastern influence, the mood is dark but fairly intense throughout.