Answer:
I am black and white. I have strings I have keys. I make sound without my lips. I make dough with no flour
What goes up and down stairs without moving?
The more holes you cover the lower I go.
I am a mother from a family of eight. I spin around all day despite my weight. Had a ninth sibling before founding out it was fake. What am I?
Though it be cold I wear no clothes the frost and snow I never fear; I value neither shoes nor hose And yet I wander far and near: My diet is forever good I drink no cider port nor sack what Providence doth send for food I neither buy nor sell nor lack.
No matter how little or how much you use me, you change me every month.