Having been interested in each other's work for some time, director Steve McQueen approached composer Hans Zimmer to write the score to 12 Years a Slave after filming had completed, explaining, "We had a mysterious conversation a couple of years back where [McQueen] told me he was working on something and asked me if I was even remotely interested in working with him," says Zimmer.[3] Zimmer, however, expressed reluctance to accept the offer feeling he wasn't the right person for the job. Zimmer explained, "I felt I wasn't the guy, in a way. It was such an important, heavy, incredible subject. [...] It took a bit of persuading from [McQueen] to give me the confidence to do it".[4]
On April 30, 2013, it was officially announced that Zimmer was scoring the film.[5]
Development
Director Steve McQueen liked the mood of Zimmer's music from The Thin Red Line, which itself became a starting point for discussion and development regarding the mood for 12 Years a Slave. McQueen explained, "He was my refuge when I was in L.A. The first two meetings were about five hours each. Then I think we had three two-hour conversations on the phone. And not a musical note was played. After that, [Zimmer] said, 'I think I've got something.' Somehow, through the talking, he captured the atmosphere of the film."[6]
Much of the movie is scored with the same four-note theme, which Zimmer adapted according to the scene's mood and emotion.[3] For the score of 12 Years a Slave, Zimmer conceded, "It's basically a cello and violin score. I wanted to be the secret little bridge that would take the story from the past and move it into the present."
Cellist Tristan Schulze and violinist Ann Marie Calhoun performed on the score in addition to more strings and occasional percussion involved throughout the process. "It was not just getting inside the characters," Zimmer said, "it was getting outside the characters and finding a bridge to the audience." Much of the 38-minute score "creates a stillness, or a tension through the stillness, using very minimal means," he added, although the riverboat ride offers a briefly avant-garde musical contrast, including woodwinds and an unusual use of piano.
Christopher Orr of The Atlantic praised the score most highly stating, "the score by Hans Zimmer represents his best work in years, an eerie, discomfiting soundscape that buzzes like angry locusts and drums like approaching thunder."[13]Mark Kermode of The Observer highlights the significance of music in the piece writing, "More significant still is the role of music (composer Hans Zimmer earned one of the film's 10 Bafta nominations this week), with McQueen building upon the experiments of Shame to explore further the dramatic depths of song" [14] Ed Gonzalez of Slant Magazine praised the score and said "The film's immaculate score, by Hans Zimmer, and sound design, so thick with thunder, wind, the chirping of crickets, hammers beating nails into wood, whips tearing black bodies to shreds, work in tandem to strongly convey the bucolic, sinister atmosphere of the antebellum South."[15]
Gregory Ellwood of HitFix called it "one of Hans Zimmer's more moving scores in some time" [16] Brad Brevet of Rope of Silicon also praised the score in stating, "The best score in a movie I have heard this year has been Hans Zimmer's for 12 Years a Slave." and further stating "It's lovely and threatening at the same time."[17] A.A. Dowd of The A.V. Club wrote of Zimmer's score, "pounds and roars with dread — the appropriate soundtrack for the madness of history."[18] Mark Hughes of Forbes hails the piece as "some of [Zimmer's] best work to date, which says quite a lot" and further expands by expressing "I love the way he uses nontraditional effects and sounds, sometimes going bare-bones and simple with a single instrument, so often understated to perfection."[19]
Susan Wloszczyna of RogerEbert.com stated "Underscoring the cruelty is the aptly unsettling and sometimes discordant soundtrack by Hans Zimmer", noting similarities with Zimmer's predescending score for Inception whilst acknowledging differentiation in "reminiscent of his own strong work on "Inception" but to much different effect".[20] Glenn Kay of CinemaStance wrote positively by stating, "the score by Hans Zimmer is sparse and repetitive, but incredibly effective at invoking an emotional response when it's used."[21] Drew McWeeny of HitFix highly praised the score and said, "The score by Hans Zimmer is just as heart-breaking as the script or the performances."[22]
Nicholas Mennuti of Mulholland Books highly praised the score, calling it one of the best film scores of 2013, stating, "His [Zimmer] work on 12 Years A Slave comes as such a pleasant surprise" and then adding, "Zimmer does what Zimmer does best – he finds the sonic heart of Solomon Northrop ... Try not to be moved by it."[23] Josh Hall of Soton Tab professed of the score, "Another impressive element of 12 Years a Slave is Hans Zimmer's haunting score; it closely accompanies the distressing tragedies on the screen." and added to it further by signifying the importance of music, "Music is a key element of the film; it is ironic that it is Solomon's musical talents that get him captured in the first place."[24] Richard Lawson of The Wire praised the mood of Zimmer's piece by saying, "Hans Zimmer's lush score is at first eerie and foreboding, but by the movie's end has become something approaching a hymn."[25]