Answer:
I am a precious little thing, dancing and eating all the time. Watch me from a distance, so you can feel my warm and gentle love. But don't come to close or my next meal you could be!
Known to accessorize with feathers, trumpets, and harps.
Dies half its life. Lives the rest. Dances without music. Breathes without breath.
Iron roof, glass walls, burns and burns and never falls.
We are five little objects of an everyday sort, You will find us all in a tennis court.
I am rarely touched but often held. If you are smart you'll use me well. What am I?