Answer:
Major or minor I can be, when you touch me make sure you that you’re on the right key.
Humans have two that shrink in the light and expand in the dark
It can be cracked, It can be made, It can be told, it can be played. What is it?
You are on an electric train. Which direction will the smoke fly in?
This is the main ingredient in spaghetti and Mac-N-Cheese.
What language does a billboard speak?