Tonight on FOX the Musical "Grease"will be preformed live at 6pm.

If you're a huge fan of the musical and the 1978 movie, then check out these little known facts about Grease.

For instance did you know that the school, Rydell High, in Grease is based off of Taft High School in Norwood Park, IL a suburb outside of Chicago?

I didn't. But the co-writer of the beloved musical turned movie was from Taft High School and based the movie off his experiences going to school there in the 1950's.

According to DNA Info the Pink Ladies and Thunderbirds we really actual gangs at the school.

To learn more click here to for the DNA Radio Extra interview with reporter Heather Cherone.

Now that you know the back story you can be all set tonight to see Julianne Hough as Sandy, Aaron Tveit as Danny and Vanessa Hudgens as Rizzo in Grease Live on FOX at 6pm tonight.