was filmed over the course of one sunset without any rehearsal or choreography. Filming wrapped early on a Wednesday at 9a.m. The crew remembered leaving the studio that day and spotting a double rainbow. In an interview, Oda recalled an interaction with Duke after filming a monologue from the film's climax: "We had like a lot of days to go, but there was some kind of sense of 'Mission Accomplished' because after we filmed, everyone felt like we had something special in the can. I remember Winston just came up to me — it was sunset, it was just getting darker — and he said, 'Your uncle is going to be really proud of you, you know.' It meant so much to me; that's something I'll remember.” Post-production Editing was completed by Michael Taylor and Jeff Betancourt. Nine Days received the Dolby Institute Fellowship, a post-production grant that allowed the sound designers to complete the film in Dolby Vision and Dolby Atmos. Antônio Pinto composed the musical score. The theme song, played by Amanda's character on the violin, was composed during pre-production. The song played during the bicycle scene was performed in Portuguese. The score was released by Warner Classics on July 9, 2021. Release In December 2019, the Sundance Film Festival announced the lineup for the 2020 competition. Nine Days premiered at the festival on January 27, 2020, competing in the U.S. Dramatic Competition with a runtime of 124 minutes. At the premiere, Duke said "What's really beautiful about this story is that it doesn't ever try to spoon-feed you. It's not very didactic in any way. It just presents itself and asks you to have a reaction." In February 2020, Sony Pictures Classics acquired the film's distribution rights. A trailer for the film was released on October 12, 2020. In their review of the footage, Screen Rant Alex McGuire noted the "impressive cast" and the film's "complex questions about existence". Hoai-Tran Bui from /Film said the premise was similar to Pixar's Soul, an animated film also about pre-existence. Syfy Wire Jacob Oller said the film would intrigue fans of Duke and that there was "definitely some weirdness going on that belies beauty and the deeper questions in life." Nine Days screened as the opening film of the Austin Film Festival on October 22, 2021. It was originally scheduled to be theatrically released on January 22, 2021. However, as