"Things You Wouldn't Know If We Didn't Blog Intermittently."
I have the feeling that this is one of those things that got put in to pad out the book. Surely nobody actually did this... did they?
Here's the final scene in "Hairspray" -http://www.youtube.com/watch?v=G6ofrDTpEtU
This had to have been the inspiration for Elaine Bennes' dancing on Seinfeld.