Look back at a time where you really screwed things up, but you learned something
then basically just tell them a time where you screwed up and survived
(you could just take the time that you messed up and make up a lesson you learned, you don't actually have to learn it, it just has to sound believable)
<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>