Answer:
I am wood that is neither hard straight or crooked
Two in a whole and four in a pair. Six in a trio you see. Eight's a quartet but what you must get is the name that fits just one of me.
Who makes it, has no need of it. Who buys it, has no use for it. Who uses it, can't see it. What is it?
Sing me to a baby about to go to sleep.
I'm an animal. I love marching. I always wear a tuxedo. What am I?
Runs over fields and woods all day. Under the bed at night sits not alone, With long tongue hanging out, Resting at your feet until we go for a walk