Misc: What animals hair is traditionally used to make shaving brushes?

Questions

(It.) - Point of the bow.?

- A French square dance popular in the 19th century. It was in five sections alternating between 6 / 8 and 2 / 4 time and performed by two or four couples.?

- Counterpoint in which four melodies can exchange position.?

- A fugue with four different subjects.?

- A chord of four notes played on a bowed string instrument.?