Answer:
I am a rock group with four members all of whom died in plane crashes. Who am I?
The more of this there is the less you see. What is it?
When I am caught I am thrown away. When I escape you itch all day.
Without me everyone would lose their head. What am I?
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.
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.