Another classic now with the Coen's .. O Brother, Where Art Thou?, 2000....
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The film's soundtrack became an unlikely blockbuster, even surpassing the success of the film. By early 2001, it had sold five million copies, spawned a documentary film, three follow-up albums ("O Sister" and "O Sister 2"), two concert tours, and won Country Music Awards for Album of the Year and Single of the Year (for "Man of Constant Sorrow"). It also won five Grammys, including Album of the Year, and hit #1 on the Billboard album charts the week of March 15, 2002, 63 weeks after its release and over a year after the release of the film.
George Clooney agreed to do this film without having read the script. The Coen Brothers visited him in Phoenix while he was making Three Kings (1999), wanting to work with him after seeing his performance in Out of Sight (1998). Moments after they put their script on Clooney's hotel room table, the actor said "Great, I'm in." He stated that he liked even the Coens' least successful films.
The prisoner's musical chant from the beginning of the movie (and soundtrack) was actually an old recording of a chain-gang.