I Was Under The Impression That The Mustard Stain Came Out

The other day, I was driving down the road on my way to town, and I passed by a church that's a few miles from my house.  The marquee out front caught my eye:

An Easter blacklight drama?  What is that, even?  And I immediately couldn't help but think this:

(click this link for the joke):  Mitch Hedberg - Mustard Stain (at 01:11)