I'm going against the grain here, but I think he did a better than decent job; especially (as I mentioned earlier) with the way he stayed in time and managed to keep up with the words without running out of breath, and apparently without a teleprompter. There's gotta be some reason he can do that with a cover but can't do it with his own songs, most of which don't require spitting out that many words at that clip.

With respect to him being a front man, by the time Big Shot was done I was actually thinking that there aren't many performers who could own the stage like he did in someone else's show and make you believe for a minute that the main act and his guys were Jon's backup band. Part of that may come down to Billy allowing himself to be upstaged; but I thought it was impressive nevertheless.