Answer:
What goes through a door but never goes in. And never comes out?
What goes with a car, comes with a car, is no use to a car but a car cannot move without it?
What is the freedom of birds and the pen of old men?
I cannot be felt, seen or touched. Yet I can be found in everybody. My existence is always in debate. Yet I have my own style of music.
I bind it and it walks. I loose it and it stops.
What covers its face with its hands, speaks no language, yet most known what it's saying?