Answer:
I can speak with my hard metal tongue. But I cannot breathe for I have no lung
I look like a tiny trombone
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 is made of water but if you put it in water it will die?
I contain six letters, minus one and you got twelve. What am I?
No matter how little or how much you use me, you change me every month.