Can the experts Identify these sets, grey octagon platform and tan plates? A friend gave us a bunch of sets with only a few sets of instructions.  We were able to figure out a few of them.  Not sure what these are.
Mostly, both pictures come from Set #79006 The Council of Elrond, but...



...Minifigure white chest piece comes from: Set Col03-15 Rapper, Series 3 (Complete Set with Stand and Accessories).