Ooh, very well spotted ;) Could that be down to Meat getting ready to sing the note, only to "push it out" later - giving the impression of delayed/cut-out audio? Seems odd I must admit as the singing does appear to be live otherwise.
> Look at the line "when I listen to your heart I hear the
> whole world turning". He does a slight halt before "whole"
> in the audio but not the video.
