Answer:
What comes in many varieties and can't be seen or touched, but it often makes you move?
I'm a green veggie that looks like a tiny tree.
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.
Turns us on our backs, and open up our stomachs. You will be the wisest of men though at start a lummox.
A mechanism to discover who is following you.
Cycle Cycle Cycle.
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?