Just the point I was making on a previous post. It's because he's been around for so long he's starting to lose it, like so many other 'golden oldies'.
Our voices are very often the first things to go, (for some of us anyway). You have to hand it to him though. He's still the ultimate showman.
I agree MrsM, think Brian May is on later, unless i missed him.... Looking forward to Paul at end, shame John's long gone, should be good end just like it would have at Live Aid, if possible.