Answer:
They are many and one, they wave and they drum, used to cover a stare, they go with you everywhere.
I moan I groan I chase after you. I never seem to rest. Timeβs up for you.
I am the same written forward backward and upside down.
I am black and white. I have strings I have keys. I make sound without my lips. I make dough with no flour
I am a red drum which sound without being touched and grow silent when I am touched.
What an fill a room but takes up no space?