Warning: This article contains spoilers fromBeetlejuice Beetlejuice.

Dafoe’s isn’t the only one to have a strong connection to that music.

Want more movie news?

Delia (Catherine O’Hara), Astrid (Jenna Ortega), and Lydia Deetz (Winona Ryder) in ‘Beetlejuice Beetlejuice’

Delia (Catherine O’Hara), Astrid (Jenna Ortega), and Lydia Deetz (Winona Ryder) in ‘Beetlejuice Beetlejuice’.Warner Bros. Pictures

“We just didn’t know what it was.

It all felt like the movie was wrapping up too neatly.

And then Tim called us.”

Michael Keaton as Beetlejuice in Beetlejuice Beetlejuice

Michael Keaton’s Beetlejuice in ‘Beetlejuice Beetlejuice’.Warner Bros. Pictures

“And then we kept evolving it.

We were like, ‘Yes!

That’s the crazy, weird, insane thing you need at the end of this movie.'”

Choreographer Corey Baker at the U.K. premiere of ‘Beetlejuice Beetlejuice’

Choreographer Corey Baker at the U.K. premiere of ‘Beetlejuice Beetlejuice’.Lia Toby/Getty

At another point, his team experimented with the characters pretending to be animals.

“That was probably the most left of field idea.”

I congratulated her on it, because it’s not an easy feat."

Baker explains how it was important for theBeetlejuice Beetlejuicechoreography to not feel choreographed, but more like improvised movements.

“They shouldn’t break out into a fully fleshed chorus line number,” he quips.

“As much as I’d love to see that, that’s not right for this story.”

Lia Toby/Getty

A perfect example came during his first conversations with O’Hara.

“And it would probably be like contemporary dance.

The other big touchstone was the original “Day-O” number itself.