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.
The answer is D, hope this helps!
Answer:
4
Explanation:
the time signature is 4/4 since the white lasts for beat so it goes 1 2 3 4 and then the black starts it again 1
