Answer:
What is Mozart doing right now?
Why do most married men die before their wives?
What has a tongue but cannot talk, gets around a lot but cannot walk?
What do birds say when they fly home?
I have one, you have one. If you remove the first letter, a bit remains. If you remove the second, bit still remains. If you remove the third, it still remains.
I am your mother's brother's only brother in law. Who am I?