The advice regarding grids and guides was what I needed.
I occasionally do use MuseScore; very nice software.
In this instance, I need to create a drum tab format not only to my
personal preference, but I may carry its gui features forward to a
home-brewed Reaper plugin using their "JS" language.
gimp-user-list mailing list
List address: email@example.com
List membership: https://mail.gnome.org/mailman/listinfo/gimp-user-list
List archives: https://mail.gnome.org/archives/gimp-user-list