Link all relevant non automation faders, then reduce by desired amount (note how much)
Then use the PLE to select all volume automation and use the Info Line to reduce the automation by the same amount.
Or
Just pull back the master output fader!
Link all relevant non automation faders, then reduce by desired amount (note how much)
Then use the PLE to select all volume automation and use the Info Line to reduce the automation by the same amount.
Or
Just pull back the master output fader!