Select Members of Group 20 – Logic Pro keyboard command of the day

  Select Members of Group 20

Select all of the channels in group 20. I really need to thing about very large projects. I have a hard time imagining the need for that many groups.

Overview of groups in Logic Pro – Apple Support

The Logic Pro mixer also supports a special kind of channel strip group designed specifically for submixing the volume of multiple channel strips routed to different outputs, called a VCA group. See Use VCA groups in Logic Pro.