Answer:
We are all around, yet to us you are half blind. Sunlight makes us invisible, and difficult to find.
Stealthy as a shadow in the dead of night, cunning but affectionate if given a bite. Never owned but often loved. At my sport considered cruel, but that's because you never know me at all.
I tremble at each breath of air, and yet can heaviest burdens bear.
What instrument can make any sound and be heart, but not touched or seen?
In this place, people lie, people cry, and people ask why. In this place, people sleep, people weep, and people's solitude, they keep. What is it?
I can only be played on a windy day
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?