Lovely!
I think the tempo works very well, it gives Sauron a chance to give full measure to his contempt.
Finrod - I know exactly what you mean! I also can't sing him as written, if I sing high I don't hit the high notes, and if I sing low I don't hit the low notes. I wqs thinking of shifting the piece down a few notes, that way the high notes won't be so high. I believe there is a button for that, but if not I will figure something out to make it realistically singable.