Question

select the correct answer.
what does a vertical line to the left of multiple staves indicate to a musician?
a. to play music on all staves at the same time
b. to play music in an ascending order of staves, from top to bottom
c. to play music in a descending order of staves, from bottom to top
d. not to play music on these staves

Explanation:

A vertical line connecting multiple staves (a brace or bar line spanning them) signals that the notation across all those staves is meant to be performed simultaneously, as they represent different parts (e.g., for different instruments or hands) of the same musical passage.

Answer:

A. to play music on all staves at the same time