Chiaroscuro is the arrangement of light and shadow. It was founded by Italian artists during the Renaissance. Today, it is referred to as Modeling or Shading.
First one: It would be on Sol
Second one: No. It would be on La. The note is B. And is a Bflat
(I don't know Bass Clef as well. I play Alto Sax, which uses Treble Clef. So please forgive me)
Third one: It would be A flat
Fourth one: It would be C then C flat
(Again, I don't know Bass Clef that well, so don't count on my answers)
Answer:
fifes and drums were used to regulate the daily activities of the troops.
Explanation: