where did the idea for the ground plane come from
on february 15, 2020, someone here asked me what the title of my next song would be, and for some reason i just said "it might be called ground planes but it might not". then i suddenly realized i should take that idea seriously, so i skipped that question and saved 'ground planes' as a 'title only' seed. that entry came up years later in due course, and i did the work