Answer:
How can a pants pocket be empty and still have something in it?
It can be clear like water, but it burns like fire.
What is something yet nothing, but if you fill it up it will disappear?
It is a symphony of noise, It can produce both grief and joys, It is inspiring and grand, Made by a person or a band.
What goes inside boots and outside shoes?
I touch the Earth, I touch the sky, but if I touch you, you’ll likely die. What am I?