Answer:
When it is alive we sing, when it is dead we clap our hands. What is it?
What has two legs but doesn't walk?
I have a face, yet no senses. But I don't really care, because time is of the essence.
Always wax, yet always wane: I melt, succumbed to the flame. Lighting darkness, with fate unblest, I soon devolve to shapeless mess.
Gets rid of bad ones, short and tall. Tightens when used, one size fits all.
I have two eyes in the front and a lot of eyes on my tail
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?