For the fourth hexachord, which was called hard, this B was again raised a semitone. |
In the early years of the seventeenth century, English composers increasingly turned to the hexachord as a cantus firmus for keyboard pieces. |
To hear the scale of the hexachord sung for you is not something that can happen in a gallery space. |
At the end, the same six pitch-classes provide the concluding hexachord of the tranquil violin melody. |