Do the check, tweak, check, tweak, etc. Clearing the area each time. Finally, you are ready for showtime. Background - all over the city, people are finding shady spots and making picnics. All in preparation for the show.
Pressure is on.
If the show doesn't go, you know they will tear you to limb from limb on the altar of Thomas Jefferson, or something. Now, the site is dangerous. You've got a bunch of gunpowder wired to electricity, and idiots walking around. Not the crew. You've been playing with shells for long enough you are comfortable, and understand fully well that at any moment it could all go up.