Answer:
What can be heard and caught but never seen?
I have one eye. See near and far. I hold the moments you treasure and the things that make you weep.
To unravel me you need a simple key, no key that was made by locksmith's hand. But a key that only I will understand.
I crawl on the earth. And rise on a pillar.
It is able to speak because it has a hard gone. You know what it is as soon as it has sung. What is it?
What covers its face with its hands, speaks no language, yet most known what it's saying?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?