Logic Pro X keyboard command of the day. #LogicProX @StudioIntern1

  Select Used Instruments

As documented. Deep, mysterious workings in the environment. Ancient toungues.

Use advanced selection commands — Logic Pro X

Select Used Instruments: Selects all objects that are assigned to the selected track in the main window, or are connected to such objects via cables.

⇧ SHIFT – ⌃ CONTROL – ⌥ OPTION – ⌘ COMMAND