The American Bandstand performance isn't really the best measuring stick for what Michael can do now in terms of singing live and dancing at the same time, since he wasn't in the best of condition at that time. For anyone who brings up the History tour, that's also an unfair example, because Michael was having issues with his voice during a large part of that tour. But it also isn't really fair to Michael to expect that he be able to do what he did when he was 29, 30 years old. Singing and dancing live, at the same time, is hard for people in their 20s and younger, let alone any older. And when you take in to consideration the fact that when Michael does it, he dances constantly, he never actually stops moving, that makes it 100 times harder. I think Michael can still sing and dance live simultaniously, I just don't expect him to be able to keep it up for 2 hours, and I don't think anyone should put that expectation on him, to be honest. If he lip-syncs, before anyone critisizes him for that, they should take a moment to step back and actually think of the physical energy it takes to sing and dance simultaniously and the kind of control that takes, especially when dancing as hard as Michael. The fact that he was able to do it so well, for so long, is remarkable. I've never seen abother performer who could dance so furiously, and sing perfectly on key and with control the way Michael does.