The Cohen brothers in their interview mention that the movie is underscored by 19th century Protestant hymns. Everlasting Arms is one and another is What A Friend We Have In Jesus (which was written by an Ulsterman) These were part of Mattie
http://www.youtube.com/watch?v=jBPEbl9gVx0&feature=player_embedded
http://www.telegraph.co.uk/culture....al.html