Answer:
I'll bring out your bulls and slow your roll. I may even come out of your skull.
I am the noblest musical instrument
I can be simple or I can be complex. I can be found in this riddle or in everyday life. I can be shapes or even colors.
I sleep by day, I fly by night. I have no feathers to aid my flight. What am I?
I come off of a beautiful creature which soars in the sky. I come off of a peckish creature which has a tail as mighty as the sun! I am sometimes dirty and parents beg you not to pick me up.
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.