Throughout AOTBE I have changed a bunch of the games music, a lot of them have their own unique soundtrack.
Here is a few examples.
Hell's Winter:
Songs: Hell Dwells In Ice Remix by Black Eternity
Parts 1 through 3
Listen to them
hereDream Land:
Song: Moonlight Sonata 3rd Movement Remix by Black Eternity
Not yet public
Andariel's Lair:
Song: A Diamond For Disease by Arsis
The Chaos Sanctuary:
Songs: Planetary Duality I & II by The Faceless