Apocalypse: WW2 Soundtrack is a mod for Hearts of Iron IV, created by SmilingMiura.
Description (in author’s own words):
This mod replaces some of the music from the game with the soundtrack from National Geographic's Apocalypse: The Second World War.
The soundtrack adds the following excellent songs made by Kenji Kawai himself:
Enigma and Dunkirk;
I don't own anything whatsoever. Everything is owned by their respective authors.
To install extract into „My Documents\Paradox Interactive\Hearts of Iron IV\mods” and activate in game’s menu.
Report problems with download to firstname.lastname@example.org