Just one, but he has to see Radiohead do it first.
A: Two. Plus a portable phone an Internet link and a copy of the "Bluffer's Guide to Changing Lightbulbs."
One. He just stands there with the lightbulb and the whole world revolves around him.
5,6,7,8!
A: YOU DON'T KNOW, MAN, YOU WEREN'T THERE!!! YOU DON'T KNOW!!!
Coldplay.
Just one, but he'd have to watch Radiohead do it first.