Bradley Cooperspent six years developingMaestroas a film.
Cooper wrote, directed and stars as Leonard Bernstein.
He told Deadlines Pete Hammond at Contenders Film: Los Angeles that he lost all sense of time makingMaestro.
He died in 1990 and I swear I knew him, Cooper said of Bernstein.
This movie has messed time up for me.
Its bent time, it really has.
I spent embarrassingly too many hours pretending I was doing that, Cooper said.
I didnt know it was called baton back then.
I was like the thing Bugs Bunny is holding that makes music.
This year, Cooper said, his daughter asked him for a baton coincidentally.
Mulligan also signed on before Cooper had written the script.
She visited Montealegres family in Chile.
Bernstein was bisexual and Montealegre tolerated his affairs with men.
One of Bernsteins lovers was David Oppenheim (Matt Bomer).
It was such a beautiful private look into their world and a shorthand they had together, Bomer said.
Cooper focused more on Bernsteins relationships, though he learned to conduct for several scenes in the film.
Bernsteins original music provides the films score.
I did want to serve his legacy musically, Cooper said.
The movie is all scored to his music.
That is the best way I can present to you this man.
Maestroopens in theaters Nov. 22 and premieres on Netflix Dec. 20.
Check out the panel video above.
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