I’m just wondering, if only one rackspace can be on in a song, if I need to setup a full band (voices, guitars, audio player, keyboards) does this means that I have to setup my entire band in only one rackspace?
You can use multiple instances of GP to separate the instruments. You’ll need a multi-client ASIO system. If your audio interface or OS doesn’t allow for that, you can read more about how to still accomplish the task here: