<span>A key signature is most helpful in determining the "root and the scale used" a piece of music. Other purpose of key signature is that it tells you what key to play in order to avoid accidentals. Accidentals are symbols that modifies the pitch of the note, either making it into a sharp, a flat.</span>
Answer:
It depends on what your culture is
Explanation:
I'm not sure but I think it has something to do with your ancestors. I imagine someone from a while ago jumping onto a train.
Elements of drama is most important to make a drama for example plot characters theme and dialogue and also you can't make a drama without the sets costumes make-ups and special effects.