Is it Middle Earth Idol gone wild?
My reaction last night was "Wow, all that's missing is a giant flaming eye in the background". Or some guy dressed as Saruman coming on stage and saying to the lead singer, "Whom do you serve?"
Although, I'll bet if you watch them live, you might see their manager:
And the elf dancing! Oh, I can say no more as I only saw clips of them on the news.
Next year, watch out for Gothmog and the Balrogs singing their hit single "Burning burning, burning!"