Answer:
It's equally comfortable in an orchestra and a geometry textbook. What is it?
What is red and nailed to a wall?
I love to dance and twist and prance. I shake my tail, as away I sail. Wingless I fly into the sky.
What do you throw out when you need it but put away when you donβt?
What is seen in the middle of March and April that canβt be seen at the beginning or end of either month?
What sphinxes employ and players enjoy.