The bracket columns allow you to enclose 2 or more condition lines, dividing the conditional expression into smaller units. This is only relevant when you have 3 or more condition lines and want to use the boolean Or operator.
You can add brackets by clicking in the bracket columns and selecting an option. Up to three brackets can be selected.
If you add several layers of brackets, these are evaluated from the inside out, starting with the innermost brackets.
Expressions within brackets are evaluated first.
You can set up the Project Logical Editor to find all audio parts and events whose name contains perc, as well as other MIDI parts and events whose name contains drums.
You can set up the Project Logical Editor to find all audio parts or events whose name contains perc or drums.