Answer:
I cannot be felt, seen or touched; Yet I can be found in everybody; My existence is always in debate; Yet there is a style of music named after me.
What has many keys but cannot open a single lock or door?
What do you call the mother-in-law of your sister's husband?
What can be broken without being touched?
What kind of cup doesn't hold water?
It is something you will never see again.
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?