I absolutely love this performance. I know Jon messes up a couple of times and on some parts doesn't sound the best vocally but look at the energy and passion when he sings this.
It looks like it kills him to put the microphone back on the stand at times. Straight after he puts it down he picks it back up again.
Never forget watching this for the first time in my mates house and even he sat and watched it with me because of the energy Jon had on this.
This is all I ask for...