DESIGN IDEAS FOR BUILT INS AROUND A FIREPLACE?

In my family room that is 16' ceilings and very open concept to the kitchen and dining rooms, I have a pop out wall that has a fireplace built into it and a tv mounted above. I am looking to do some sort of shelving on the sides of this but not sure how to go about desgining. i was thinking white wood with shelves on top and maybe gl so i could put lighting... and then the bottoms cabinets for audio storage. any ideas as the room is cathedral