Addendum: I discovered tonight that if you want a 3rd person to be able to properly listen in on a session, the Listento plugin must be inserted after the VST Connect Cue mix plugin in the control room.
Addendum: I discovered tonight that if you want a 3rd person to be able to properly listen in on a session, the Listento plugin must be inserted after the VST Connect Cue mix plugin in the control room.