Video: The Battle Cry of Freedom

"Battle Cry of Freedom" is a song written in 1862 by American composer George F. Root (1825–1895) during the American Civil War. A patriotic song advocating the cause of the Union, it became so popular that composer H. L. Schreiner and lyricist W. H. Barnes adapted it for the Confederate States of America.

Source: http://en.wikipedia.org/wiki/Battle_Cry_of_Freedom