On sky news active (uk) it was stated that Dolly Parton would be playing the final night as headline guest. I dont know if this is true by the way!

She could bring her own lighting: high beams!

mistermcgee said:

that's awesome!

I'll be so happy if Dolly's there! I can't quite see her as the headliner, though..I wanna see her in the afternoon...she seems like a daylight show for some reason.

i heard about this a long while ago, before any of the Prince rumours started. so, maybe it is for real.