And that’s really what she was alluding to," he tells EW.

It was very clear to me from day one, that I was telling a coming-of-age story.

It was very clear to me from day one, that I wanted it to be an observational film.

Billie Eilish documentary

Credit: Matty Vogel/Apple TV +

There are no interviews.

There’s no talking heads."

The doc is scored from beginning to end by the music that Eilish and her brother Finneas made together.

“There’s nothing between you and the subject.

You’re on stage and nobody is analyzing it for you.

You’re having your own unique experience.

And I knew from the beginning, I would want to do that.”

Cutler concludes with a tease, “This film is an epic journey.

It’s two hours and 20 minutes long.

It’s a full meal, there’s an intermission, and we went for it.

You’re going to have a full experience watching this movie and the subject was worthy of that.

That’s what the subject called for.”