Group Name and Track Group ID Indicator Pop-Up Menus
When you click and hold on a group name in the Group List (or Right-click), or click a Group ID indicator in a track, a pop-up menu provides the following commands:
Opens Group dialog to modify existing groups only.
Selects tracks in the group.
Shows or hides tracks in the current group.
Shows only the tracks in the group and hides all other tracks.
