This is the Promise Keepers Arrangement of "A Mighty Fortress" as recorded on there "Live Worship with Promise Keepers and the Maranath Promise Band. This is an instrumental brass pack to be used with the song. It is scored for 3 trumpets, 3 trombones, 2 alto saxes, tenor sax (Horn in F), Bari Sax (bass trombone). It comes with the full piano/vocal of the original and a shortened rhythm chart. It also has a brass/horn score (though this does not contain the piano/vocal).