What does David’s expression suggest?

Why were staff lines an important improvement to musical notation a. sl indicated rhythm b. sl indicated dynamics c. sl indicated pitch d. sl indicated meter

Sacred music in the middle ages was mostly vocal in nature with little instrumental use, if at all. was this approach also true of secular music? .

Forms of art depend upon a. the message the artist wants to convey and the culture. b. the artist’s tastes and the message the artist wants to convey. c. current trends and available materials. d. the money the artist can get from pieces sold.