Project Settings
Under the File menu, navigate to Project Settings | General.
There is a new project setting for dynamic loading of plugins as you need them, which you may find helpful for large projects, and it is on by default. If you don't want this, go to General | Opening Project | Only load plug-ins needed for project playback, and uncheck it. Unless you save it as a template though, you will have to keep doing this, which, frankly, I wish were not the case.
For now, we can leave the Project Settings. Because I am just going to record a vocal and a MIDI piano part, I will delete the other tracks from my Track List.
Setting levels
I am going to get a bit geeky here for a minute and talk about how Logic handles incoming signals. Logic has a floating point architecture, which means it adjusts its headroom automatically to incoming signal, so that any channel strip can go into the red without creating digital distortion, except the Stereo Output.
When you are...