Pick who's playing, then a song. The Lab Coats play every part nobody's taken, and the big screen shows the words, chords, tab and keys for everyone at once.
Warming up The Lab Coats…
Fetching every part of the song.
Stagelab listens to these for the light show and the scores. Your keyboard has its own speakers; the mic and guitar can play through the computer too.
If one is drowning the others out. The mic and guitar sliders work when they're heard through the speakers (the ticks above).
Who's playing which part, and the sound they play it on. Change a sound or a volume and it's kept for this song.