According to Plan Danny Elfman (Ft. Albert Finney, Joanna Lumley, Paul Whitehouse & Tracey Ullman)

[Mrs. VanDort]
It's a beautiful day

[Mr. VanDort]
It's a rather nice day

[Mrs. VanDort]
A day for a glorious wedding

[Mr. VanDort]
A rehearsal my dear, to be perfectly clear

[Mrs. VanDort]
A rehearsal for a glorious wedding

[Mr. VanDort]
Assuming nothing happens that we don't really know

[Mrs. VanDort]
That nothing unexpected interferes with the show

[Mr. And Mrs. VanDort]
And that's why every thing
Every last little thing
Every single tiny microscopic little thing must go