You don't have to pick just one, but there is a fine line between "eclectic" and "weird hodge podge of styles." You can totally mix metals if you can make everything look harmonious. Easier said than done. But it would be uninteresting to have everything in the house the same metal anyway. Think back to early 90s houses with everything in polished brass.

At the very least they should be all warm or all cool. The brass detail with ORB is great. Chrome with oil rubbed bronze is not good, but something warmer like satin nickel is ok. Chrome with black is a good alternative. Good luck!