2. Why is musical notation important? What benefits do musicians and others receive from being able to write down and note aspects of a musical piece?

The benefit of writing down one's music is so other people can repeat it. Like someone else can play your music

Musical notation is important because within a piece of music, the musician needs to know how long to hold a certain note, such as the quarter getting four beats. Benefits that musicians and others receive from being able to write down and note aspects of a musical piece are being able to better understand the message that the composer was trying to convey and being able to place dynamics in order to make the music move.