How do I copy the Audio Mixer with all plug-ins & settings to a new song?
First copy the audio environment to your new song. Then go back to the source song and open the Audio Configuration window. In that window select the correct audio hardware that your virtual mixer is addressing from the Device menu. Select “copy” (Command-C [Ctrl-C]). Now open your new song, open the Audio Configuration window, once again make sure it’s set to the correct hardware device. Select “Paste” (Command-V [Ctrl-V]). All of you mixer settings/plugins etc will be copied.