Answer:
Mouth up it gets filled, mouth down it gets empty.
This is a dead giveaway
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.
Timid or weak people are said to not have these.
This is a plant named after a light source. What is it?
What language does a billboard speak?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?