Answer:
I am an instrument you can hear but cannot touch or see. What am I?
I am alive without breath and cold as death. I am never thirsty but always drinking.
I see what you see feel what you feel and hear what you hear. I know all of your moves before you make them. I even know the moves you didn't make.
I am the tool for inspiring many. Buy me in the store for not much more than a penny. Don't overuse me, or my usefulness will go. What am I?
I fly forever Rest never.
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?