They don't keep everything at 0, they have the level hitting 0 on each buss then mix down the buss levels.
That would make sense. But if you watch the video ( at 1:15 ) you will see that the drum buss fader level is not brought down. It's at 0. They even say: " For our groups we have kick and ...
I was really confused by this video, they said they have their drums at 0. I thought drums were meant to be around -10 etc, if they have them at 0 isn't that taking up all of their headroom??
I was confused, too.
If the drum group already is at 0 dB and you would add any other sound, the ...