Show/Hide Library Y — Logic Pro keyboard command of the day

  Show/Hide Library  Y

Show or Hide the Library panel at the left side of the main window. I *really* need to remember to use this. It is far more convenient than using the Setting menu at the top of channel strips.

Logic Pro Library interface — Apple Support

You can view available patches for the currently selected track, and choose a new patch, in the Library. Categories appear on the left, and patches for the selected category are displayed on the right. You can search for patches, create, save, and delete patches, and choose routing options.

Logic Pro patches overview — Apple Support

A patch contains the instrument, effects, Smart Controls, and routing settings that control the sound of a track. When you choose a patch, those settings are applied to the currently selected track. You can try a different sound for the track by choosing a different patch, as long as the patch is compatible with the track type.

Track Stacks and the Logic Pro Library — Apple Support

The patches available in the Library vary depending on the Track Stack type, and which track in the Track Stack is selected:

Open Recording Project Settings… — Logic Pro X keyboard command of the day

  Open Recording Project Settings…

Open the project-specific recoding settings preference panel. Some recording settings are global and in force for all projects. These are _Recording Preferences_ as opposed to _Project Settings_

Recording settings in Logic Pro — Apple Support

Recording settings are only available when Show Advanced Tools is selected in Advanced preferences.

Recording preferences in Logic Pro — Apple Support

You can use Recording settings to determine how Logic Pro responds while in record mode.

Logic Pro X Recording Preferences