Springsteen discovered the Jim Morrison quote after an adorable listening session with wife, Patti Scialfa.

This listening session sent Springsteen down a bit of a rabbit hole.

It just seemed to sum everything up in those four very, very brief lines."

ROAD DIARY: BRUCE SPRINGSTEEN AND THE E STREET BAND, Jim Morrison performing with The Doors, London, September 1968

Bruce Springsteen; Jim Morrison.Disney; Chris Walter/WireImage

Additionally, it delves into the history of the band and their life on the road.

“It lets the fans know the band a little bit more.”

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But Zimny insists the process is more mysterious than Springsteen lets on.

“But I do take my cues from him and how the show emotionally feels.

This show has moments of humor, reflection, and pure rock & roll.

I’ve got to get all that in the doc.

I’m not coming up with these ideas on my own.

I’m witnessing them unfold.”