In “That Alien, Sound,” the debut feature from writer/director/editor Brando Topp, a young woman named Mika (Mia Danelle) becomes possessed by a soundwave that’s been floating around in outer space.

On the highly unlikely but equally mind-blowing instance in which aliens really do come down to our shiny blue planet to see what's what, perhaps it might not be wise for world leaders to be the first ...