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)
Mr. Bucket lost his job at the toothpaste factory because as technology advanced a machine was invented that was able to do his job faster and it would have been cheaper for the machine to do the job then Mr. Bucket.
Pitch is indicated by the position of notes on the lines and spaces on the staff
I am not really into Country songs. The closest I could think of as Country (Even though it's Jazz) is Jack Wall, who made one of my favorite song (Snakeskin Boots)