Select Members of Group 57

Selects the channels (and tracks} that are assigned to group 57. I keep thinking about small projects. The need for 64 groups seems excessive, but soundtracks for video productions or live theater productions could easily take advantage of them. Definitely want to have the free-floating groups window available on screen…

Groups inspector in Logic Pro — Apple Support

You use the Groups inspector to define the behavior of each Mixer group. The Groups inspector appears in the Track inspector when one or more groups have been created, and it can be opened as a floating window as well. It contains the following settings: