The Unofficial War Anthem of Union: The Battle Hyme of the Republic

Original Artist: Julia Ward Howe
Represented Artist: Judy Collins
Title: The battle hymn of Republic
Represented Album: Songs Of The Civil War
Represented Label: Sony
Catalog Number: B00000283E

The Battle Hymn of the Republic, originally known as the "John Brown's Body", was one of the two most popular music during the Civil War. It was considered as the unofficial war anthem by scholars.
Because of its popularity in the pre-war, even parts of the Confederates would occasionally sang it with a different lyrics than the Union while it was still known as "John Brown's Body".
It wasn't until 1862, when an abolitionist named Julia Ward Howe heard and saw a potential in the music when she decided to create a better lyric for the song. Thus, "The Battle Hymn of the Republic was born". The piece represented as the reason why we were in a civil war, and boosted the morale of the troops in the company that it became one of the most infamous songs of the Union. This music was popular even among the African American soldiers, as historian Eileen Southern calls it "the unofficial theme song of black soldiers." Though more different lyrics were created from "John Brown's Body", none were able to match the lyrics of the apocalytic vision made by Howe.

Sample: http://www.amazon.com/gp/product/B00137R9V2/ref=dm_dp_trk9?ie=UTF8&qid=1238824731&sr=1-2
Alternate Full Version: http://www.youtube.com/watch?v=VslzcciRmZg&fmt=18