Answer:
Musical structure.
Explanation:
The A represents a musical idea or ideas, the B represents new, contrasting material, and the final A represents a return to the familiar music heard in the opening of the piece.
Art is just like any other primary source as it shows what happened in that time era, what everything looked like, how people dressed and so on
Answer:
In Western musical notation, the staff or stave is a set of five horizontal lines and four spaces that each represent a different musical pitch or in the case of a percussion staff, different percussion instruments.
Explanation: