So, before people comment about there not being any pyro, or the crowd being silent, I'd like to point out the following things:
1. The crowd got muted at all the parts where they were not supposed to be heard.
2. Whoever was in charge of the audio mix, apparently thought it'd be a good idea to leave Kirk and Rob's mic tracks muted during the whole tv recording (I was there, and I'm 100% sure I heard them live)
3. Right before Metallica was supposed to play, a storm passed right over the festival grounds. That's why the pyro couldn't be used (as far as I know at least)