New boxed set 'Battleground Korea' documents music from 'forgotten' war

As long as human beings have engaged in conflict, there have likely been songs to document them.

At least as far back as Joshua and the Battle of Jericho, music has emerged to ease the pain of combatants, to provide comfort and solace for worried loved ones, to urge those in power to find the way to peace or, of course, to protest.

Here in the U.S., many are still introduced to the Revolutionary War through "Yankee Doodle," the Civil War with "Battle Hymn of the Republic" and "Dixie," World War I with "Over There" and "The Colonel Bogey March."

World War II produced its own trove of hit songs, including "Don't Sit Under the Apple Tree (With Anyone