Answer:
I'm sometimes white and always wrong. I can break a heart and hurt the strong. I can build love or tear it down. I can make a smile or bring a frown.
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.
What can be big, white, dirty and wicked?
I'm full of holes, yet I'm full of water.
All about, but cannot be seen, Can be captured, cannot be held, No throat, but can be heard. Who am I?