Answer:
Bright as diamonds, loud as thunder, never still, a thing of wonder. What am I?
David's father has three sons: Snap Crackle and ?
I work when I play and play when I work
Flat as a leaf round as a ring. I have two eyes but can't see a thing.
My voice is tender my waist is slender and I'm often invited to play. Yet wherever I go I must take my bow or else I have nothing to say.
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.