Answer:
I am the noblest musical instrument
If you look, you cannot see me. And if you see me, you cannot see anything else. I can make anything you want happen, but later everything goes back to normal. What am I?
When you take away the whole from me, there is always some left. What am I?
I am a shower that lights up the sky
What side of a cat has the most fur?
I flow from the Homerβs mouth when he sees doughnuts.