The Assassination of Jesse James by the Coward Robert Ford by Nick Cave and Warren Ellis is the official soundtrack album to the movie of the same name.

Furthermore, some songs featured percussion, a small string ensemble and other instruments.

There are six untitled score pieces composed by Cave and Ellis which do not appear on the retail soundtrack.

They include: There is a song played by a busker in a bar, played by Nick Cave, towards the end of the film entitled "Jesse James" or "The Ballad of Jesse James".

This was written by Billy Gashade in 1882 and has been modified and covered by Uncle Dave Macon in 1929, Ken Curtis and the Sons of the Pioneers in the 1930s, Woody Guthrie in 1940, Burl Ives in the 1940s, Ramblin' Jack Elliott, Cisco Houston, The Kingston Trio, Eddy Arnold, Bob Seger in 1972, Ry Cooder in 1980, The Pogues in 1985 and Van Morrison in 1998.