After watching the video it was clear he said the double the pay thing as a joke. He could have said something like he would be there till Julyh 29th unless hell freezes over. I clearly am having trouble explaining it. But, pretty much he stated something that everyone knew wasn't going to happen as a joke.
But, personally I like his Roger. I mean he does play up the angry side of Roger a bit. But, then again you can easilly spend a good deal of time talking about how angry is too angry for a character like Roger. I have seen a couple of actors who played the part as Roger being pissed off and angry from the beginning of act one to the end of the show. They never showed the changes that the character makes during the show. I love his band and Van Tramp is now one of my favorite bands.
"If you try to shag my husband while I am still alive, I will shove the art of motorcycle maintenance up your rancid little Cu**. That's a good dear"
Tom Stoppard's Rock N Roll