Answer:
Sing me to a baby about to go to sleep.
I can be repeated but rarely in the same way. I can't be changed but can be rewritten. I can be passed down, but should not be forgotten. What am I?
I fly when I'm on and float coming off.
The more you work, the more I'll eat.You keep me full, I'll keep you neat. What am I?
I saw the dead bring forth the living. I saw the living bring forth the dead. What did I see?
Why was the cook arrested?