Who could forget the psychedelic jams of The Big Lebowski; the old-timey ballads of the Soggy Bottom Boys in O Brother, Where Art Thou?; or the eerie silence, minus the sound of Javier Bardem's cattle prod, in No Country for Old Men? Composer Carter Burwell and sound mixer Skip Lievsay, who've worked on almost every Coen brothers movie, discuss the unique sound they create, and reveal further details on the upcoming Coen brothers movie Hail, Caesar!