Answer:
Musical Notation is important because it indicates the sound level that each instrument should be played
Explanation:
I'm sorry for not answer your second question...
A musical manuscript, also called a Score
is the blue print to a musical piece.
<span>Musical manuscripts are written by composers,
the manuscript or score is written on a paper or sheet and the score is handwritten
source of music. Sometimes this is written by composer with its handwriting
than this becomes an autograph.</span>
1.The power of apparently influencing the course of events by using mysterious or supernatural forces.
2.Used in magic or working by magic; having or apparently having supernatural powers.
3.Move, change, or create by or as if by magic.\
It all depends on what context.