Answer:
Quizlet says D, probably too late now.
Explanation:
A. key signature , the key signature is a list of all the sharps and flats in the key that the music is in.
If there were no copyright laws, you would not be able to protect your music after releasing it. People could take parts, or even your entire song and claim it as their own, and you would have no legal bounds or actions against the plagiarism of your work.
I am not sure but i think it is mobilization
